Our People
Corporate
Geoff Milsom
Chief Executive Officer
Auckland
See Bio
Geoff is an experienced business leader, a Chartered Civil Engineer and a Chartered Member of the Institution of Water and Environmental Management. With a Bachelor’s degree in Civil Engineering and a Master’s in Business Administration, he has over 30 years of experience as a consulting engineer coupled with an extensive background in professional services leadership and business development in New Zealand and the UK.
Joining us as our CEO in 2017, Geoff is responsible for the overall leadership of our company, building on the strong legacy of our founding CEOs, Alan Pattle and Keith Delamore.
Brigid Cottrell
Marketing & Communications Director
Auckland
Brigid Cottrell
Marketing & Communications Director
Auckland
Deborah Ryan
Technical Director - Air Quality / Sustainability Lead, Director
Wellington
See Bio
Deborah Ryan
Technical Director - Air Quality / Sustainability Lead, Director
Wellington
Deborah is qualified in biotechnology and bioprocess engineering and has over 25 years of experience in air quality effects assessments including a wide range of industrial processes and infrastructure projects. Her experience includes air and odour assessment from municipal wastewater treatment systems, landfills, and industrial processes including discharges from rendering, wastewater and combustion plants.
Deborah is a Certified Air Quality Professional with CASANZ and routinely appears as a technical specialist at resource consent hearings, advising applicants and councils as an independent reviewer, making recommendations for mitigation, control and monitoring. She provides expert witness advice to assist with RMA planning and enforcement, particularly relating to adverse effects of odour and dust.
Hamish Jones
Strategic Director - Clients & Markets
Auckland
See Bio
Hamish Jones
Strategic Director - Clients & Markets
Auckland
Hamish is an experienced business developer, who brings over 18 years of experience in driving growth, fostering client relationships, and optimising market strategies. His passion lies in creating impactful solutions that align with organisational goals and enhancing customer satisfaction.
Key Areas of Expertise:
- Client Relationship Management: Building and nurturing long-lasting partnerships with key clients (internal and external), ensuring their success and satisfaction.
- Market Insights: Leveraging data-driven insights to identify market trends, customer needs, and growth opportunities.
- Strategic Planning: Developing and executing comprehensive strategies that drive revenue, market share, and competitive advantage.
- Business Development: Identifying new business and expanding market/service reach.
- Cross-Functional Collaboration: Collaborating seamlessly across business services to align strategies, enhance client experiences, and drive results.
Karolina Spencer
Human Resources Director
Auckland
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Karolina Spencer
Human Resources Director
Auckland
Karolina heads up our HR team. With almost 27 years of diverse HR experience in New Zealand and overseas, Karolina brings a great depth of understanding and skill to our business.
Her role focuses on ensuring strategies and initiatives across recruitment, remuneration, training, change management and organisational development support, further fostering our strong people culture. In her role, she is supported by the Senior HR Advisor and HR Administrator.
Like many of our leadership team, Karolina is a busy working parent who is just as committed to her school community as she is to PDP.
Matt Worn
Acting CFO
Auckland
Rod Lidgard
Strategic Director - Clients & Markets
Auckland
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Rod Lidgard
Strategic Director - Clients & Markets
Auckland
From a robust background in investigation design and implementation in the NZ environmental services niche market, Rod has founded strong and long-term relationships with many people throughout Aotearoa NZ’s many varied industries. With a proactive understanding on a client’s markets and business, focus on quality, responsiveness and reliability, Rod and the PDP team can provide confidence in project delivery and innovative solutions to match.
Rod is a Certified Environmental Practitioner - Site Contamination Specialist: CEnvP (SC) and a former Licensed Asbestos Assessor at the top level of consulting practitioners within NZ and Australia; with a long track record in providing the environmental solutions. Navigating the extensive frameworks and regulations controlling environmental services and management is business-as-usual for Rod and the team.
Specialties:
- Strategic environmental solutions.
- Client service focus.
- Innovative and results-driven solutions.
- Stakeholder communication and engagement.
Special interests in:
- Climate change
- Sustainable remediation
- Community support and education
Contaminated Land
Martina Groves
Group Director - Land
Hawke's Bay
See Bio
Martina Groves
Group Director - Land
Hawke's Bay
Martina is Charted Professional Engineer (CPEng, IntEng) with over 15 years of experience and is the technical director of water infrastructure in the Napier Office. Martina’s core experience and skills are in engineering design, investigation, project management, contract management, and asset management in four waters and infrastructure from New Zealand and England.
Before joining PDP, Martina was with Hawkes’s Bay Regional Council and prior to moving to Hawkes Bay Martina was based in Auckland with Watercare and Stantec.
Bo Simkin
Technical Director - Contaminated Land
Wellington
See Bio
Bo Simkin
Technical Director - Contaminated Land
Wellington
Bo has over 10 years of multi-disciplinary experience primarily in the field of contaminated land. His academic qualifications were gained through two British universities via a specialist pathway which provides training for a career in pollution control and environmental management. Bo is a specialist in contaminated land assessment, remediation and management with experience gained from both the public and private sectors of the United Kingdom, Canada and New Zealand.
Based in Wellington, Bo currently manages PDP’s contaminated land portfolio for the central New Zealand region. Working on numerous and diverse soil and groundwater projects with a client base that includes the public, developers, planners, local and central government and multi-national companies, with investigations ranging from desk studies through to Ministry for the Environment contaminated site remediation fund projects.
Erin Richards
Technical Director - Contaminated Land
Auckland
See Bio
Erin Richards
Technical Director - Contaminated Land
Auckland
Erin is a geologist with over 20 years' of consulting experience in New Zealand. Erin’s areas of expertise relate to project management, contaminated site investigations and remediation. While she has worked on a wide variety of contaminated sites over the years, her main area of expertise is the petroleum industry, where she has completed hundreds of site investigations at service stations, terminal facilities, bulk depots and industrial sites.
Erin has extensive project management experience and is adept at delivering multiple and complex projects, which involve proposal completion, the design and implementation of field programmes, adherence to health and safety, technical input, remediation works, project management, liaison with stakeholders, peer reviews, consenting and the completion of risk assessments.
Gerard Stark
Technical Director - Contaminated Land
Christchurch
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Gerard Stark
Technical Director - Contaminated Land
Christchurch
Gerard is an environmental scientist with over 19 years of consulting experience in contaminated site investigations throughout New Zealand and Australia. Gerard has extensive experience in environmental site assessments (preliminary and detailed site investigations), site remediation projects and risk assessments for a variety of sites, including commercial/industrial redevelopments, former market gardens, petroleum sites, timber treatment sites and residential subdivisions. He has also conducted numerous asbestos building audits, inspections, identification and air monitoring as well as environmental investigations and risk assessments associated with asbestos-containing material in soils.
Graeme Proffitt
Technical Director - Contaminated Land, Director
Wellington
See Bio
Graeme Proffitt
Technical Director - Contaminated Land, Director
Wellington
Graeme has over 40 years of experience in environmental engineering, water resources investigation, contaminated site assessment and management, geotechnical site investigation and construction management. For the last nearly 30 years, Graeme has specialised in environmental engineering and resource management, particularly contaminated site assessment and remediation, groundwater investigation, monitoring and development and waste disposal.
Graeme is a nationally recognised expert in contaminated land. He has been intimately involved in the development of government policy and regulatory instruments for contaminated land matters and has appeared as an expert witness at planning and environment court hearings. He is recognized as a “suitably qualified and experienced practitioner” (SQEP) under the contaminated soil National Environmental Standard and has CEnvP site contamination specialist certification.
Guy Knoyle
Technical Director - Contaminated Land
Christchurch
See Bio
Guy is a Contaminated Land Technical Director with over 20 years of consulting experience in environmental and contaminated site investigations. Currently, he project manages a large portion of diverse contaminated site assessments including commercial/industrial and large-scale residential developments, former market gardens, horticultural and timber treatment sites, pesticide storage depots, landfills (waste characterisation/disturbance management and landfill gas assessments), the petroleum industry, former gas works sites, asbestos impacted soils and illicit methamphetamine laboratories, with experience attained over several hundred sites.
Guy’s knowledge has also allowed him to present technical evidence on behalf of various clients, as part of a multi-disciplinary team, at District Court, Environment Court mediation, Restorative Justice and at numerous joint territorial and regional authority hearings.
Guy has also established a broad network of industry-related contacts which enables him to draw upon a wider skill set, if need be, to provide further confidence to the client that the best level of experience is being provided to them.
Guy strongly adheres to PDP’s stringent health and safety philosophy and ensures that all field staff are fully conversant with potential onsite risks before commencing fieldwork.
Hamish Wilson
Technical Director - Contaminated Land, Director
Auckland
See Bio
Hamish Wilson
Technical Director - Contaminated Land, Director
Auckland
Hamish is an environmental engineer with over 18 years of experience in the field of contaminated land assessment and remediation. He specialises in the investigation, assessment and remediation of contaminated land and has particular expertise in undertaking site investigations, assessment, remediation and site-specific human health and environmental risk assessments and detailed chemical fate and transport computer modelling. This has required Hamish to work on and manage several hundred contaminated land projects throughout New Zealand – including petrochemical storage facilities, chemical storage manufacturing and recycling plans, timber treatment sites, gas works manufacturing, leather tanneries, landfilling operations and other commercial/industrial sites.
In addition, Hamish has civil and construction engineering experience and has supervised several wastewater treatment upgrade projects with project roles including detailed design, Engineers Representative and Engineer to the Contract.
Jordan Vaughn
Technical Director - Contaminated Land
Auckland
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Jordan Vaughn
Technical Director - Contaminated Land
Auckland
Jordan is a geologist with over 20 years’ experience in contaminated land, hydrogeology and environmental emergency response. She specialises in contaminated land assessments and remediation, with a special interest in waste reduction and environmental sustainability.
Additionally, she oversees soil, groundwater and landfill / ground gas assessments and remediation projects. Jordan is experienced across the housing, energy, transport, landfill, defence and agricultural sectors throughout New Zealand and in Asia and North America.
Natalie Webster
Technical Director - Contaminated Land, Director
Auckland
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Natalie Webster
Technical Director - Contaminated Land, Director
Auckland
Natalie is an Environmental Scientist with over 10 years of experience in contaminated site investigations and environmental management, for both regional authorities and consultancy. Her areas of expertise include all aspects of contaminated land management (soil, groundwater and vapour; from Preliminary Site Investigations to remediation), environmental management of industrial sites, environmental site audits, stormwater and surface water sampling, and the production of technical reports, including Assessments of Environmental Effects.
Natalie has extensive experience, both in the field and as a project manager, with organising and undertaking site investigations and environmental assessments for a wide range of environmental issues, and across many varied industry types. She is regularly involved with determining the requirements of relevant national standards, and regional and district plans, concerning environmental investigations. In addition, she has experience in the preparation of evidence and has appeared as an expert witness in District Court hearings.
Nerena Rhodes
Technical Director - Contaminated Land
Central Otago
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Nerena Rhodes
Technical Director - Contaminated Land
Central Otago
Nerena is an environmental scientist with over 17 years of experience working in the investigation, management, remediation and consenting of contaminated sites. Nerena’s experience includes managing large, complex environmental investigations and monitoring programmes to achieve excellent outcomes for clients.
Nerena’s experience includes the investigation and management of discharges from contaminated sites associated with construction, industrial and military activities and historic land use, working with a wide variety of organisations including local and central government agencies, property developers, and primary producers.
Scott Wilson
Technical Director - Contaminated Land, Director
Christchurch
See Bio
Scott Wilson
Technical Director - Contaminated Land, Director
Christchurch
Scott is an environmental engineer with over 10 years of experience in environmental and contaminated site investigations in New Zealand. He specialises in project management, contaminated site assessment & remediation investigation and design for the petroleum industry, large-scale residential subdivision developments and landfills. He particularly specialises in the petroleum hydrocarbon industry where he currently project manages jobs for a number of the major petroleum providers in New Zealand.
Susie Humphrey
Technical Director - Contaminated Land
Tauranga
See Bio
Susie Humphrey
Technical Director - Contaminated Land
Tauranga
Susie’s PDP experience extends across a broad spectrum of environmental fields, including contaminated land, environmental due diligence, environmental site audits, and environmental management of civil infrastructure and commercial/industrial site developments. She has extensive experience with managing and undertaking site investigations and environmental assessments for a wide range of environmental issues. She is regularly involved with determining the requirements of relevant national standards, and of regional and district plans, concerning environmental investigations. Since joining PDP she has also been assisting with tendering on work involving multi-disciplinary approaches.
Susie has 10 years of experience in contaminated land and is a Certified Environmental Practitioner under the Environment Institute of Australia and New Zealand. During 2018-2019 Susie was a Bay of Plenty Australasian Land and Groundwater Association (ALGA) committee member and part of her role was to help organise a regional conference and local events.
Andy Kindleysides
Service Leader - Asbestos
Auckland
See Bio
Andy Kindleysides
Service Leader - Asbestos
Auckland
Andy is an experienced asbestos consultant, who has been working in the industry for nearly 20 years, both in the United Kingdom and New Zealand. He has devoted most of this time to conducting asbestos surveys and assessments, as well as managing asbestos consultancy projects and field work procedures. Andy has worked for a range of clients across a variety of estates, from residential properties and public buildings, to commercial units and industrial facilities.
James Conway
Service Leader - Contaminated Land
Auckland
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James Conway
Service Leader - Contaminated Land
Auckland
James is an Environmental Geologist with a background in the management and undertaking of environmental site investigations and contaminated land assessments and reporting. He has practical experience in a wide range of site investigations, including baseline monitoring of soil and water, contaminated site sampling (soil, gas, water and biota), remediation, validation, and long-term management.
James has 8 years of experience in contaminated land and is a Certified Environmental Practitioner under the Environment Institute of Australia and New Zealand.
Leena Khong
Service Leader - Contaminated Land
Auckland
See Bio
Leena is an Environmental Geologist with over 10 years of experience working as a specialist in contaminated land. Throughout her professional career, she has gained extensive knowledge and expertise in a variety of environmental and contaminated land projects throughout New Zealand and Australia. Some of her work has involved undertaking preliminary and detailed site investigations including remediation of residential and commercial/industrial developments, environmental baseline investigations relating to lease agreements, due diligence and risk assessments for the divestment of commercial/industrial sites, consent compliance monitoring for hazardous industries including bulk fuel terminals and service stations, and specialist consent reviews for the local council concerning contaminated land. Leena is a proficient project manager who is an advocate of health and safety, encourages best practices, and is adept at delivering projects on a local and nationwide scale.
Her professional interests include contaminated land risk assessments, remediation, and management of contaminated sites with a drive to provide the most sustainable outcome. Leena is also an active member of the PDP Sustainability and Community Support Team; a supporter of NZ Blood and thoroughly enjoys organising and partaking in environmental clean-up projects including volunteering in community programmes.
Melody Robyns
Service Leader - Contaminated Land
Wellington
See Bio
Melody Robyns
Service Leader - Contaminated Land
Wellington
Melody is an Environmental Scientist with a Master of Science in Physical Geography. Melody has a background in environmental site investigations and contaminated land assessments and reporting. She is an experienced project manager and is competent in risk identification, mitigation and problem solving (including adapting, changing and updating sampling schemes, field protocols and health and safety procedures) to ensure field work is undertaken safely and efficiently.
Melody has worked on a variety of contaminated site types, including service stations, gasworks, timber treatment, mining waste sites and New Zealand Defence Force sites. Melody has also been involved in training and supporting junior staff in field work methods, reporting and technical development.
Naomi Macorison
Service Leader - Contaminated Land
Auckland
See Bio
Naomi Macorison
Service Leader - Contaminated Land
Auckland
Naomi is an environmental scientist specialising in contaminated land with over 13 years of experience completing a variety of projects, from large-scale multi-disciplinary linear infrastructure projects to small-scale preliminary and detailed site investigations. The types of projects include detailed investigations for environmental losses, asset divestment, change of land use and ensuring contaminated land resource consents are obtained.
She has been heavily involved in leading and completing various site investigations for oil industry clients and assisting them to manage their risks and ensuring their sites are compliant with council regulations.
Naomi is a project manager who ensures projects run on time and on budget and always has the client’s goal at the forefront of her mind.
Rowan Freeman
Service Leader - Contaminated Land
Christchurch
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Rowan Freeman
Service Leader - Contaminated Land
Christchurch
Rowan is a senior contaminated land specialist with over 16 years of experience across the public and private sectors. In his early career, Rowan worked in the northeast United States as a project geologist undertaking environmental site assessments (soil, groundwater, and air monitoring), and remedial works and oversight on brownfield, superfund, municipal and industrial sites, and an oil refinery.
After arriving in New Zealand in 2009, he worked for ten years as a contaminated sites specialist and technical advisor for the Canterbury Regional Council. During that time, Rowan broadened and applied his working knowledge of New Zealand’s regulatory planning framework for contaminated land and provided technical advice to resource consent planners, territorial local authorities, land developers, and environmental professionals (and their clients) for projects of varying complexity.
In 2019, Rowan returned to environmental consulting and is focused on growing and maintaining successful client relationships, project management and delivery, and building staff capability at PDP. Rowan is a Certified Environmental Practitioner (Site Contamination) and is an expert witness for contaminated land matters in New Zealand.
Sally McKinnon
Service Leader - Contaminated Land
Hawke's Bay
Sally McKinnon
Service Leader - Contaminated Land
Hawke's Bay
Stefan Yap
Service Leader - Contaminated Land
Auckland
See Bio
Stefan Yap
Service Leader - Contaminated Land
Auckland
Stefan is an Environmental Scientist with over 19 years of experience in contaminated land assessments and remediation, environmental regulatory compliance, and hazardous waste management.
During that time, he has worked as a contaminated land specialist with small and large clients across a wide variety of industries including large-scale infrastructure, transport, oil & gas, energy, telecommunication, construction, education, manufacturing, recreation, agriculture & horticulture, and solid waste. Stefan has prepared detailed assessments of contaminated sites, conceptual site models, remedial action plans, long-term management & monitoring plans and risk assessments.
Additionally, Stefan has extensive experience profitably managing projects ranging from small quick turnarounds to large multi-million-dollar annual programmes for several multinational oil & gas corporations. He has also led a gold mine into full compliance with its relevant environmental regulations.
Tracy Singson
Service Leader - Contaminated Land
Christchurch
See Bio
Tracy Singson
Service Leader - Contaminated Land
Christchurch
Tracy’s contaminated land career started in the Philippines where he carried out numerous environmental site assessments (primarily for oil and gas sites) across the country and other neighbouring Southeast Asian countries.
Over the last 9 years, Tracy’s career has seen him excel at applying land contamination assessments within NZ’s regulatory framework and legislative policies. His wealth of experience in investigating a wide range of contaminated land projects from small residential to technically complex commercial/industrial sites has allowed him to deliver projects for various clients timely, safely and pragmatically. Tracy currently manages several contaminated land projects in the Christchurch office.
Tracy has technical and practical knowledge in the following areas: contaminated land investigations including preliminary and detailed site investigations for a wide range of contaminants including asbestos in soil, landfill investigations, resource consenting under the Resource Management (National Environmental Standard for Assessing and Managing Contaminants in Soils to Protect Human Health) Regulations 2011 (the NESCS), consent compliance and monitoring and preparation of various environmental documents including Assessment of Environmental Effects (AEE), Site Management Plan (SMP), Remedial Options Assessment (ROA) and Remedial Actions Plan (RAP).
Geotechnics
Andy Smith
Technical Director - Geotechnics
Christchurch
See Bio
Andy Smith
Technical Director - Geotechnics
Christchurch
Andrew has over 20 years of experience and leads the geotechnical team in the PDP Christchurch office. He has been involved in projects whilst at PDP including foundation design, dam break assessments, landfill stability, settlement analysis (static, liquefaction induced), slope stability assessments and earthworks design for a contaminated land encapsulation project. Andrew is proven in utilising his broad technical knowledge and experience in providing robust cost-saving solutions. He also has experience in contaminated land assessments which enables him to provide the multi-disciplinary advice required.
Before PDP Andrew worked as an Engineering Geologist on a range of projects from open cast mining/quarry high wall stability assessments, residential/commercial subdivisions and building consent reviews and has acted as an expert witness on several geotechnical-related projects.
Andrew is a Professional Engineering Geologist with Engineering New Zealand, a Chartered Geologist with the Geological Society of London, and a member of the New Zealand Geotechnical Society.
Chris Foote
Technical Director - Geotechnics
Tauranga
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Chris Foote
Technical Director - Geotechnics
Tauranga
Chris’ expertise is developed from his 10 years of experience in Engineering Geology and Geotechnical Engineering. At PDP Chris has been involved in a wide range of projects ranging from land development to the oil and gas industries. Projects to date have involved; slope stability assessments for residential and commercial properties; seismic risk assessments – including ground susceptibility for liquefaction, lateral spread and instability; engineering geological mapping; hazard risk assessments for corridor projects; slope monitoring, long-term stabilisation/retirement design; construction management; foundation investigations; earthworks design and monitoring.
Chris has exceptional skills in Geospatial Services including GIS, Remote Sensing & Satellite Imagery, UAV and geospatial software (ArcGIS Pro and ESRI products, Pix4D, OpenDrone Map, QGIS and Surfer) to create and manage conceptual site models, live geological hazard maps and geohazard databases. He is also involved in contaminated land projects, hydrogeological investigations and environmental monitoring.
David Poh
Technical Director - Geotechnics
Auckland
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David Poh
Technical Director - Geotechnics
Auckland
David obtained his PhD in Civil Engineering from the University of Birmingham, UK in 2004. Since then he has been working as a geotechnical engineer and has over 15 years of experience. He was involved in design work, construction supervision, and project management of infrastructure, buildings and land development projects in New Zealand, Singapore and the United Kingdom. He specialises in deep excavations and tunnelling projects. In addition, he has experience in numerical modelling looking at the soil-structure interaction of earth retention systems. He was involved in several building basement projects in Auckland in terms of planning, design, construction and project management.
He is a member of the following institutions: NZ Geotechnical Society, NZ Society for Earthquake Engineering, NZ Tunnelling Society, International Society for Soil Mechanics and Geotechnical Engineering and International Society for Rock Mechanics.
Gerald Strayton
Technical Director - Geotechnics
Hawke's Bay
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Gerald Strayton
Technical Director - Geotechnics
Hawke's Bay
Gerald is a civil engineer specialising in geotechnics for the waste industry. He joined PDP in 2001 after immigrating to New Zealand from South Africa and has over 30 years of experience, working initially as a contractor before moving into consulting. Gerald has been involved in the investigation, assessment and remediation of several existing and closed landfills as well as the assessment of geotechnical structures such as dams and ponds for various projects in the water and wastewater fields.
In addition, he has extensive experience with the design and detailing of municipal and industrial landfills, tailings dams and small water dams. Gerald is a member of the New Zealand Geotechnical Society and regularly attends conferences relating to waste engineering and in particular the NZSOLD Symposiums and conferences.
Luke Matheson
Technical Director - Geotechnics
Auckland
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Luke Matheson
Technical Director - Geotechnics
Auckland
Luke has 18 years’ of experience in geology and geotechnics. He started with PDP in 2016, during this time Luke has been involved in slope stability modeling, rockfall hazard assessments, mine site remediation projects, ground investigations for mining and quarrying sites, wastewater treatment plants and residential and commercial developments.
Luke is responsible for project management, planning and undertaking geotechnical investigations, ground support design, site geo-hazard assessments, geotechnical design and management of large earthwork projects.
Neil Crampton
Technical Director - Geotechnics
Auckland
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Neil Crampton
Technical Director - Geotechnics
Auckland
Neil is an engineering geologist/hydrogeologist specialising in engineering geology for corridor projects, hydrogeology model development, groundwater investigation/monitoring and contaminated groundwater projects.
Having over 25 years of experience, Neil has worked in a wide range of geological terrains throughout New Zealand and on several projects overseas. He is passionate about developing hydrogeological models for project applications involving mining, water retaining structures, geothermal and contaminated sites as well as gas pipeline corridor route selection, risk assessment and remediation.
Kylie Johnson
Service Leader - Geotechnics
Nelson
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Kylie Johnson
Service Leader - Geotechnics
Nelson
Kylie is our geotechnical service leader based in the PDP Nelson Office. Kylie as an engineering geologist joined the PDP geotechnical team in September 2021, opening the Nelson Office which services the wider Top of the South Region.
Kylie has developed her expertise from her 11 years, with 6 of those years in the Top of the South region, of experience in Engineering Geology and Geotechnical Engineering. Kylie has a wide range of experience working across projects ranging from emergency response, roading, landslip remediation, hazard assessments and residential/commercial land development.
Kylie has excellent technical knowledge supplemented with a wide range of site experience in soil/rock, groundwater and contaminated soil investigations.
Matt Engel
Service Leader - Geotechnics
Christchurch
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Matt Engel
Service Leader - Geotechnics
Christchurch
Matt has over 13 years of experience within multi-disciplinary consultancies as an Engineering Geologist, predominately focusing on linear civil infrastructure, slope stability assessment and design, landfill design, ground investigations and construction supervision. Matt has also been involved in contaminated land assessments, dam investigations and assessments, full subdivision investigations and individual residential site investigations.
Matt was involved in various stages of the Kaikoura Earthquake and Canterbury Earthquake Sequence responses from initial emergency response assessments, engineering geological mapping, and slope stability assessments through to detailed design and construction supervision working alongside design teams, the client and contractors to deliver effective solutions.
Matt enjoys working with clients to develop practical solutions for their projects and working alongside them to deliver a successful outcome. In particular, he enjoys projects that require thinking outside the box and looking at alternative solutions.
Planning
Hamish Peacock
Group Director - Planning / Air / Advisory / Digital
Christchurch
See Bio
Hamish Peacock
Group Director - Planning / Air / Advisory / Digital
Christchurch
Hamish has over 24 years of experience as a Resource Management Act (RMA) Planner, specialising in infrastructure, land use, water resource and 3 water infrastructure planning. The value of Hamish’s inclusion in this project is his technical RMA planning skills, and stakeholder and community consultation leadership. Hamish has a track record of taking responsibility for project management and director of projects with challenging consent. Hamish’s experience and skills enable him to provide professional planning and strategic services to manage project risks through the consent pathway.
Hamish’s experiences include leading consortiums for projects that require statutory approvals. Hamish is proficient at navigating through consents and tying in his consultation skills and processes to obtain the support of stakeholders that will be needed for the consent. Hamish is passionate about consenting complex jobs and collaborating with the necessary multi-disciplinary inputs for robust AEEs.
Devon Rollo
Technical Director - Environmental Planning
Auckland
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Devon Rollo
Technical Director - Environmental Planning
Auckland
Devon has over 20 years’ experience in regulatory planning, built up through various roles in both in New Zealand and the UK. He has a high level of experience in managing, preparing and processing large-scale planning applications, with an extensive local government and consultancy background.
Lisa Kamali
Technical Director - Environmental Planning
Christchurch
See Bio
Lisa has over 20 years of experience in the planning profession, including substantial experience in urban and environmental regulatory planning gained in New Zealand, the United Kingdom and Australia.
Lisa is skilled across the planning spectrum including in spatial planning, policy planning and submissions, consenting and consultation, and is diligent in delivering high quality projects on time through the use of her project management skills and experience in complex projects with planning and environmental challenges.
Nicki Williams
Technical Director - Environmental Planning
Auckland
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Nicki Williams
Technical Director - Environmental Planning
Auckland
With over 30 years’ experience as a planner in a range of resource management and policy fields, Nicki brings a wealth of experience. She has built her resource management skills through a mix of experience in local government, consultancy, infrastructure and not for profit sectors.
Nicki is a great communicator and enjoys working in teams and community environments solving complex planning issues. Her highly practical nature means she strives to solve planning problems with sensible workable solutions.
Simon Greening
Technical Director - Environmental Planning
Tauranga
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Simon Greening
Technical Director - Environmental Planning
Tauranga
Simon has over 10 years of project management and statutory planning experience for regulatory organisations, water/wastewater providers and in consultancy. He is experienced in working both independently and/or in inter-disciplinary teams as a member or project management capacity.
Simon’s planning expertise generally relates to water resources management, infrastructure development, resource consent processing and consultation (including with tāngata whenua) to support these processes. He has worked on small and large-scale water supply, industrial activities, local government infrastructure, quarrying projects, and municipal (and other) wastewater discharges. He considers communication and collaboration as the most important aspects of successful planning projects.
Tess Drewitt
Technical Director - Environmental Planning
Wellington
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Tess Drewitt
Technical Director - Environmental Planning
Wellington
Tess is a resource management planner with experience working in resource management law, environmental management, and statutory planning. Tess started her career as an RM lawyer, but her interest in sustainable management lead her to environmental planning. She completed a master’s degree in environmental management and policy before working in consultancy.
Tess’s planning experience is varied, ranging from small-scale land use consents to complex regional and district consenting projects, including global stream maintenance consenting, roading upgrades, residential developments, and water take/use consents for primary industry clients. She also has experience advising on policy developments, undertaking compliance audits, preparing waste assessments, and contributing toward environmental and social impact assessments.
Tess has tackled resource management issues from varying perspectives, including local government, mana whenua, businesses, developers, and individual landowners. She is passionate about robust, science-based decision-making, and finding the best outcome for her clients, the community and the environment.
Isobel Stout
Service Leader - Environmental Science
Christchurch
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Isobel Stout
Service Leader - Environmental Science
Christchurch
Isobel is a former Senior Environmental Health Officer by profession with more than 30 years of experience in the local government regulatory sector covering contaminated land investigation and management, hazardous substances controls and statutory planning, from reporting on consents to presenting evidence as an expert witness to the Environment Court.
Isobel brings her ability to work across engineering, contaminated land and geotechnical disciplines to weave unique solutions to environmental problems where consenting may be required. Isobel is a Certified Environmental Practitioner, Fellow of the NZ Institute of Environmental Health and is passionate about research into bioengineered field technology for contaminated land and water remediation.
Jessica Crawford
Service Leader - Resource Management Planning
Northland
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Jessica Crawford
Service Leader - Resource Management Planning
Northland
With 14 years of experience as a planner, Jessica’s expertise spans across diverse areas, including farm dairy effluent resource management at the peak of Southland's dairy conversion intensification, gravel and mineral extraction, and three-waters infrastructure resource projects across Northland. She excels in simplifying complex issues and transforming them into streamlined projects.
Jessica played a crucial role in addressing droughts in the Far North, notably serving as the Chair of the Water Shortage Management Committee for the Far North District Council, ensuring continued water supply during the widespread droughts of 2019/20 and 2020/21. Prior to joining PDP, Jessica shifted from planning to work in asset management for the Whangarei District Council, closely collaborating with Auckland and Northland councils on capital expenditure programmes for Wai Tamaki ki te Hiku, and contributing significantly to the Whangarei District Council's Infrastructure Strategy.
While she will always be a proud Southlander, Jessica finds working for the communities of Northland particularly rewarding, especially in providing sustainable, affordable, and culturally appropriate infrastructure solutions.
Advisory
Chris Cameron
Climate Change Lead
Nelson
See Bio
Chris has experience across climate change science, strategy, policy, and implementation in local and central government, and the private sector. He has had an interest in climate change since the early 1990s and worked directly in the climate change field for the last 15 years. He has a PhD in climate science and has represented New Zealand at international climate change negotiations, disaster risk reduction and science panels (UN and IPCC).
Chris was involved in developing the model that is used to estimate inflows into New Zealand’s hydro-lakes and has developed other models and tools to support decision-making and provide insights into patterns and trends. He has strong networks and can support clients in all aspects of climate change across all sectors of the environment, covering both emissions and impacts. Taking innovative strategic approaches to respond to climate change is a particular strength of Chris’s.
Tony Urquhart
Technical Director - Infrastructure Advisory
Auckland
See Bio
Tony Urquhart
Technical Director - Infrastructure Advisory
Auckland
Tony has over 30 years of experience in the planning, management and operation of built infrastructure. He is a specialist in infrastructure asset management and spent 15 years of his career working in Australia and the US, and has also worked on assignments in the UK, the Middle East, Pacific Islands and Asia including acting as an adviser on municipal asset management to the World Bank. He is a co-author of the International Infrastructure Management Manual (IIMM) and led the development of condition assessment and risk guidelines for the US water and wastewater industry.
Tony leads PDP’s Infrastructure Advisory business, providing asset management, strategic planning, business case development, and change management advice to a range of infrastructure-dependent clients throughout NZ.
Tristan Bellingham
Technical Director - Advisory
Laos
See Bio
Tristan Bellingham
Technical Director - Advisory
Laos
Tristan has over 20 years of experience as an Environmental Engineer working across a variety of sectors including process engineering, water, solid waste, contaminated land management and, most recently energy and international development. Tristan joined PDP in 2013 as a contaminated land expert, leading site investigation, remediation, validation, risk assessment and long-term management work covering a wide range of contaminants and land uses, along with associated planning activities (preparation of an assessment of environmental effects and resource consent applications). Tristan led the development of PDP’s services around asbestos, helping significant national clients manage human health risk and comply with the requirements of the Health and Safety at Work (Asbestos) Regulations 2016.
Since mid-2018 Tristan has been based in Vientiane, Lao PDR, managing the New Zealand-ASEAN Renewable Energy Facility funded by the NZ Ministry of Foreign Affairs and Trade. Over 5 years the Facility has supported the Government of Lao PDR across a range of activities including developing an energy planning, dam safety, energy efficiency and power system operation. The Facility has also recently commenced work in Cambodia where energy demand is increasing rapidly and there are opportunities (and challenges) for RE to meet this demand.
Aimee Matiu
Pou Tokomanawa - Māori Advisor
Auckland
See Bio
Aimee Matiu
Pou Tokomanawa - Māori Advisor
Auckland
Taku ahi tūtata, taku mata kikoha
When my fire is close, my weapon is sharp
Ngāi Tūpoto, Ngāti Moroki, Te Rarawa, Ngāpuhi
Hokianga nui ā Kupe, Hokianga taniwha rau, Hokianga hakapau karakia, Hokianga, he puna iti o te ao Mārama. Our whanau, our hapū, our iwi of the Hokianga motivate me in everything I do, they keep me warm and nourished in te ao Māori, te reo Māori me ōna tikanga and in all of our beautiful and complex ways of seeing, being, and knowing as tāngata whenua. It is because of our people and our whenua that I am passionate about Te Tiriti o Waitangi in practice and action through leading and contributing to initiatives that effect transformative change and result in better outcomes for us all. For me, building and maintaining mutually beneficial relationships not only with each other as humans but with the environment is key to our collective well-being as tāngata whenua and tāngata tiriti.
Lisa Marquardt
Service Leader - Climate Change
Nelson
See Bio
Lisa Marquardt
Service Leader - Climate Change
Nelson
Lisa is a strategic thinker practised in policy analysis, development, environmental planning and provision of advice, with a particular interest in the climate adaptation/planning/risk management interface. Lisa has led adaptation work at national and regional levels, including technical work, methodology and policy development as well as engagement with a range of stakeholders, including iwi/Māori, businesses, the local community and technical experts. She is well-connected within the Aotearoa climate adaptation space and is passionate about helping to increase adaptation skills and expertise across the private and public sectors. Lisa is PDP’s primary contact for climate adaptation work.
Air Quality
Andrew Curtis
Technical Director - Air Quality
Auckland
See Bio
Andrew Curtis
Technical Director - Air Quality
Auckland
Andrew is a Chemical Engineer with over 30 years of experience who has specialised for over 23 years in air quality, providing advice to clients in New Zealand, Australia and overseas. He has assisted a broad range of clients in the agriculture, construction and mining, industrial, transport, waste and power sectors, as well as local and central government, with resolving air quality issues, preparing and processing resource consents, and developing regulatory documents.
Andrew has significant experience with odour and dust investigation and control, reverse sensitivity issues, and presenting expert evidence in council hearings and the Environment Court.
Andrew is a Certified Air Quality professional and also a Certified Hearings Commissioner.
Deborah Ryan
Technical Director - Air Quality / Sustainability Lead, Director
Wellington
See Bio
Deborah Ryan
Technical Director - Air Quality / Sustainability Lead, Director
Wellington
Deborah is qualified in biotechnology and bioprocess engineering and has over 25 years of experience in air quality effects assessments including a wide range of industrial processes and infrastructure projects. Her experience includes air and odour assessment from municipal wastewater treatment systems, landfills, and industrial processes including discharges from rendering, wastewater and combustion plants.
Deborah is a Certified Air Quality Professional with CASANZ and routinely appears as a technical specialist at resource consent hearings, advising applicants and councils as an independent reviewer, making recommendations for mitigation, control and monitoring. She provides expert witness advice to assist with RMA planning and enforcement, particularly relating to adverse effects of odour and dust.
Jeff Bluett
Technical Director - Air Quality
Christchurch
See Bio
Jeff Bluett
Technical Director - Air Quality
Christchurch
Jeff is a leading air quality professional in New Zealand with more than 20 years of experience in the industry. He is a nationally recognised and Certified Air Quality Professional with CASANZ and has more than 100 publications in aspects of transport, industrial and domestic emissions to air. Jeff has extensive experience in air quality and meteorological monitoring, dispersion modelling, impact assessment statements, regional and site-specific air quality management plans, emission measurements and inventories.
Paul Crimmins
Service Leader - Air Quality
Tauranga
See Bio
Paul Crimmins
Service Leader - Air Quality
Tauranga
Paul is an environmental scientist with over 15 years’ experience assessing resource consents as an air quality, climate, hazardous facilities and contaminated land specialist. Paul’s areas of expertise relate to human health and environmental impact assessments for industrial and construction projects. Paul’s practical and expert advice has contributed to successful outcomes for hundreds of industrial resource consenting applications and compliance enforcement proceedings over his years as an environmental regulator. Paul has been called to give expert evidence at numerous Council and Environment Court Hearings.
Paul’s particular area of interest lies in the co-benefits of improving air quality outcomes for both human health and the climate. This interest has a been key driver for his research into Black Carbon and policy development for decarbonising industrial process heat.
Paul has extensive project management experience and employs pragmatism and critical analysis to drive efficiencies and quality outcomes in environmental management and project delivery.
Geospatial & Digital Solutions
David Klap
Technical Director - GDS
Auckland
See Bio
David is a geospatial professional with 22 years of experience and leads the Geospatial team in our Auckland Office. He is part of the digital engineering leadership group and works with the team to integrate geospatial tools and techniques into our digital engineering services. David‘s main focus is to develop our people and apply our geospatial capability to help solve our client’s problems.
David has spent over twenty years working in the engineering and environmental consulting business. Over this period he has developed experience in collaborating with engineers, scientists and planners across various disciplines to understand project context and to work with them to provide appropriate GIS solutions. He spent 8 years as a Principal working in a GIS team for an Auckland-based firm and before that spent 14 years working in Perth, Western Australia
David Whitty
Strategic Director - Technology & Innovation
Wellington
See Bio
David Whitty
Strategic Director - Technology & Innovation
Wellington
David is an Environmental Engineer with over 30 years of consulting experience in environmental management, contaminated land assessment and remediation, resource consent applications, consent compliance management, and project delivery.
David’s expertise and experience encompass property pre-purchase and pre-sale environmental and consenting due diligence; environmental approvals and site assessments for infrastructure development; asset management compliance monitoring and environmental auditing; soil, groundwater and air contamination investigation and risk assessment (human health and environmental); risk-based assessment and management of environmental effects; environmental asset inventories; environmental monitoring field work scoping, Safety management, quality control, and coordination; risk-based contamination management option prioritisation and selection; remediation system design and implementation; environmental management support for facility closure and decommissioning; and effective project management including coordinating multi-disciplinary project teams.
David works closely with PDP’s Geospatial and Remote Sensing teams developing environmental data acquisition, analysis and communication solutions for clients to enhance project efficiency, safety and quality.
Derrick Ong
Service Leader - Geospatial and Digital Solutions
Auckland
See Bio
Derrick Ong
Service Leader - Geospatial and Digital Solutions
Auckland
Derrick is a seasoned geospatial professional with over 15 years of experience, demonstrating a dedication to the field of geospatial technology and remote sensing. Throughout his career, Derrick has successfully delivered projects across diverse sectors such as Commercial, Government, and Military in Singapore. He has a track record for developing insightful, relevant, and timely geospatial solutions tailored to specific use cases.
Derrick's technical expertise encompasses remote sensing principles and operations, GIS system architecture and application development, in addition to imagery and spatial analysis. His expertise extends beyond technical domains to include adept customer relationship management, ensuring seamless project delivery and satisfaction.
With a commitment to innovation and excellence, Derrick continuously seeks to push the boundaries of geospatial technology, leveraging his wealth of experience to drive impactful solutions and advancements in the field.
Liz Cartwright
Service Leader - GDS
Christchurch
See Bio
Liz Cartwright
Service Leader - GDS
Christchurch
Elizabeth is passionate about creating positive change in the natural world. She brings experience spanning consulting, research and government from NZ, the UK and the USA. Elizabeth specialises in the assessment and management of water quality in aquatic and marine ecosystems and combines her environmental knowledge with technical geospatial skills to improve how people understand and engage with data.
Elizabeth’s technical expertise includes water quality analysis, assessment of environmental effects and development of long-term monitoring programmes. She enhances projects by utilising GIS as a tool to harness the power of data. This has led to award-winning Storymaps and developing GIS-based tools for clients and citizen science. Elizabeth's problem-solving ability has proven invaluable during environmental events, including responding to floods and droughts with the UK Environment Agency.
Outside of working at PDP, Elizabeth's commitment to community shines through her volunteer efforts, enhancing geospatial capabilities within emergency management organisations.
Water Infrastructure
Steve Pearce
Group Director - Water Infrastructure
Christchurch
See Bio
Steve Pearce
Group Director - Water Infrastructure
Christchurch
Steve is a mechanical engineer with over 20 years of experience in the energy industry in both technical and management roles throughout New Zealand. He has extensive experience in early-stage technology screening, development of industrial biomass-based energy solutions, combustion of fuels and quantification of emissions. Steve also has significant experience in the full lifecycle of project development from concept development, environmental investigations, stakeholder management, consenting, detailed design, health and safety, construction, site management, regulatory reporting, site closure and rehabilitation.
Steve currently works on a variety of projects in the air discharge and energy sector that are undertaken out of the Christchurch office.
Azam Khan
Technical Director - Water Infrastructure, Director
Auckland
See Bio
Azam Khan
Technical Director - Water Infrastructure, Director
Auckland
Azam is an environmental engineer, specialising in wastewater engineering. With over 20 years of experience with environmental matters for industrial clients, he is involved in various projects related to resource consenting, the development of wastewater treatment plants and industrial landfills as well as schemes for the land treatment of wastewater.
His extensive experience in wastewater treatment plant optimisation has contributed to his development of a patented wastewater treatment process which has been established at the largest meat processing company in New Zealand.
Andy Dean
Technical Director - Water Infrastructure
Christchurch
See Bio
Andy Dean
Technical Director - Water Infrastructure
Christchurch
Andy joined PDP after graduating from the University of Canterbury in 2012 and has since developed a national scope of practice within PDP’s Water Infrastructure Group. He has delivered design and construction monitoring projects for a range of PDP’s private and public sector clients throughout New Zealand.
Andy is a Chartered Professional Engineer with his practice area including environmental assessment, investigation, design and construction monitoring of stormwater, wastewater, and surface water projects. With broad environmental engineering experience, his project role often involves the coordination of specialist science and engineering inputs from other PDP teams.
Andy can assist with taking clients’ water infrastructure projects from a concept right through to delivery.
Bill Noell
Technical Director - Water Infrastructure
Tauranga
See Bio
Bill Noell
Technical Director - Water Infrastructure
Tauranga
Bill is an environmental engineer with over 20 years of experience in local government and consulting engineering, including general civil engineering and land development projects, the design of both pumped and gravity water, wastewater and stormwater systems, sewer & water main rehabilitation and sewer inflow/infiltration studies. Other projects that Bill has been involved with include the design and construction of irrigation dams, open channel works, stream realignments, flood modelling and mitigation works
Dan Garden
Technical Director - Water Infrastructure
Auckland
See Bio
Dan Garden
Technical Director - Water Infrastructure
Auckland
Dan is an environmental engineer who specialises in potable water and wastewater treatment and related infrastructure. He has over 10 years of experience throughout New Zealand in projects which have involved investigation, consenting, detailed design, procurement, construction management, commissioning and operation of municipal and industrial water treatment systems.
Dan’s skills include hydraulic design and treatment process design and modelling of physical/chemical and biological treatment systems. He also has experience in the civil and mechanical design of water and wastewater treatment and reticulation infrastructure. His experience also includes assessment of environmental effects and preparing evidence for resource consent hearings.
Daryl Irvine
Technical Director - Water Infrastructure
Auckland
See Bio
Daryl Irvine
Technical Director - Water Infrastructure
Auckland
Daryl is an environmental engineer with 12 years of experience, specialising in wastewater treatment and disposal, predominantly dealing with agro-industrial wastewater.
Projects that Daryl typically works on include process design, operation and optimisation of industrial wastewater treatment systems, land treatment and disposal of wastewater, biosolids handling and management, waste management and landfill engineering. He is also involved with surface water discharge and discharges to land consent applications including assessment of environmental effects.
Eoghan O'Neill
Technical Director - Water Infrastructure
Christchurch
See Bio
Eoghan O'Neill
Technical Director - Water Infrastructure
Christchurch
Eoghan has over 12 years of experience in planning and designing wastewater, water supply and stormwater infrastructure. He is a specialist in the hydraulic analysis of pipelines and carrying out feasibility studies and concept designs for servicing large areas for development. Eoghan has also acted as Project Sponsor, and reviewed designs, for several significant CCC infrastructure projects. These projects include the Rapaki water supply upgrade, Wilmer’s water supply pump station, Charteris Bay wastewater and water supply reticulation extensions and the Little River water supply upgrade.
Since joining PDP in October 2012, Eoghan has been actively involved in leading several stormwater, wastewater and water supply investigation and design projects. These projects include the design and construction of water supply pump stations for Christchurch City Council and Whakatane District Council as well as the design and construction of large stormwater detention basins as part of a flood relief programme of works for Christchurch City Council.
Grant Pedersen
Technical Director - Water Infrastructure
Auckland
See Bio
Grant Pedersen
Technical Director - Water Infrastructure
Auckland
Grant is a water and wastewater engineer who specialises in wastewater treatment, disposal, pumping and Strategic Master Planning. He has over 30 years of experience, including a variety of novel projects such as the Rotorua Bardenpho nutrient removal plant, North Shore MLE process WWTP, Kawakawa Bay Vacuum Sewerage system, water and/or wastewater master plans (Queenstown, Wanaka, Nadi, Lautoka, Dysart, Clermont, Mount Isa), Massey North trunk wastewater pumping station and Albany-Pinehill trunk water pumping station.
Grant’s skills include feasibility assessment, optioneering, strategic master planning, design, construction management, commissioning and optimisation of water and wastewater treatment plants, pumping stations and related infrastructure.
Greg Manzano
Technical Director - Infrastructure Advisory
Christchurch
See Bio
Greg Manzano
Technical Director - Infrastructure Advisory
Christchurch
Greg is a highly experienced engineering manager in 3 Waters and capital project delivery with 29 years’ experience with local council authorities leading 3 Waters Infrastructure strategic planning, asset management, and programme and project development and delivery.
During his tenure as an Infrastructure Planning Manager for a local Council, Greg led the development of several Infrastructure Master Plans that informed the Council’s 30 Year Infrastructure Strategy and Long Term Planning cycles. He also led the acquisition of resource consents for several major infrastructure projects which includes significant stakeholder engagement and relationship management.
Prior to migrating to New Zealand, Greg worked in Asia and the Middle East and was involved in diverse 3 waters related projects undertaking feasibility investigations, detailed design and contract and construction management.
Ingrid Cooper
Technical Director - Water Infrastructure
Christchurch
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Ingrid Cooper
Technical Director - Water Infrastructure
Christchurch
Ingrid is an environmental engineer with over 9 years of experience working on a wide range of civil and environmental engineering projects including water supply, wastewater and stormwater projects. She is experienced in managing projects from the feasibility stage through to construction supervision, including optioneering, site investigations, resource consent procurement, conceptual design, and detailed design.
In the early stages of her career, Ingrid spent time working as a site engineer which has led to Ingrid having notable experience in the construction supervision of three waters infrastructure projects. Ingrid also has a strong interest in stormwater treatment including field sampling investigations, assessments of catchment stormwater quality and designing appropriate treatment systems. Her experience also includes the preparation of an assessment of effects and technical assessments associated with resource consent applications.
Mark Ellis
Technical Director - Water Infrastructure
Christchurch
See Bio
Mark Ellis
Technical Director - Water Infrastructure
Christchurch
Mark has over fifteen years of experience in water-related engineering, with a specialist emphasis on water treatment (drinking water, stormwater, mine water and wastewater) and the assessment of effects associated with the discharge of the treated water into the environment.
With recent project experience varying from drinking water upgrades (filtration and UV disinfection), leachate management and treatment, and design of mine water and municipal wastewater treatment plants – from locations within Canterbury through to outback Australia and South Africa; Mark is able to draw upon his wide breadth of knowledge and expertise to provide his clients with a holistic service to manage project risks.
Mark also has a particular interest in the field of turbulent mixing and dispersion of pollutants in rivers and from ocean outfalls. He has been involved in several dye dispersion and numerous numerical (CORMIX) studies of treated water and thermal discharges into water bodies, and the assessment of the potential effects of these discharges on the environment.
In several recent high-profile projects, Mark has been called upon by his clients to provide expert evidence at Council and Environment Court hearings in relation to their proposed projects and possible environmental effects.
Matt Bayliss
Technical Director - Water Infrastructure
Invercargill
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Matt Bayliss
Technical Director - Water Infrastructure
Invercargill
After completing a Bachelor of Engineering with Honors in Natural Resources engineering at Canterbury University, Matt has gained approximately 15 years’ experience in the design, construction, operation and management of 3 Waters Infrastructure working in both public and private sectors.
Prior to joining PDP, Matt spent approximately 8 years at the Gore District Council overseeing the day-to-day operations, asset management and delivery of key major 3 Waters capital projects. Matt was closely involved in the development of several iterations of Asset Management Plans and the development of key supporting documents and tools such as Criticality Assessments and Renewals Plans. Additionally, Matt has been involved from initial optioneering and concept design through to the successful delivery of a number of key water and wastewater treatment plants and general network upgrade projects.
Murray Kerr
Technical Director - Water Infrastructure
Christchurch
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Murray Kerr
Technical Director - Water Infrastructure
Christchurch
Murray is an environmental engineer with over 15 years of experience in the water and wastewater sector. He specialises in the mechanical and civil design of wastewater treatment plants, water supply systems and pump stations.
Murray has extensive experience in administering construction contracts and has a strong interest in procurement and setting up contract frameworks that lead to success.
Philip Claassens
Technical Director - Water Infrastructure
Christchurch
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Philip Claassens
Technical Director - Water Infrastructure
Christchurch
Philip has over 14 years of experience in various phases of water and environmental-related projects. He moved to New Zealand in 2018 and has since been working across New Zealand including Fiji and New Caledonia. With a background in 3 waters, his recent focus was within stormwater-related projects which included both small to multi-disciplinary large-scale projects.
Philip’s wealth of knowledge spans multi-disciplinary infrastructure projects, stormwater assessment including technical reviews, infrastructure detailed design, and treatment and design. His expertise in 3 waters bulk and reticulation infrastructure design for both rural and urban areas, master plans and stormwater management plans, water demand management, maintenance and operational plans for 3 waters are second to none. Philip is also well-versed in investigation studies and supporting business cases, project management, and assets verification and auditing.
Rob Watson
Technical Director - Water Infrastructure
Auckland
See Bio
Rob Watson
Technical Director - Water Infrastructure
Auckland
Rob is a Chartered Engineer and a member of Engineering New Zealand. He has experience in the design and construction of water and wastewater infrastructure with over 20 years of experience working in the private and public sectors in New Zealand.
His skills include the design of pump stations and pipelines and general civil water, wastewater and stormwater-related infrastructure. He leads teams for investigation, optioneering, consenting, design, construction and commissioning and undertakes the role of Engineer to Contract.
Sisira Jayanatha
Technical Director - Water Infrastructure
Wellington
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Sisira Jayanatha
Technical Director - Water Infrastructure
Wellington
Sisira is a CMEngNZ, CPEng and IntPE with over 25 years of experience in water infrastructure design, engineering and construction. He is also a Board Member, of the Competence Assessment Board (CAB) of Engineering New Zealand. Since 1999 Sisira has acted as a Civil and Environmental Practice Area Assessor, was heavily involved in the IPENZ Wellington Branch activities and held both Secretary and Treasurer positions.
Sisira has worked in both local government and private entities in the capacity of Engineering Lead, Engineer to Contract, Project Manager, Project Director and Business Manager. He has worked in the capacity of client, consultant, and contractor.
As a strategic thinker with the ability to translate the vision into operation, Sisira aims to contribute to the engineering community by championing diversity and social responsibility while fulfilling my responsibilities as a business leader.
Arno Louw
Service Leader - Water Infrastructure
Tauranga
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Arno Louw
Service Leader - Water Infrastructure
Tauranga
Arno has over 10 years of experience in water infrastructure projects. Arno has experience in the three waters sector, particularly in bulk supply solutions for water, wastewater and commissioning engineer. He has experience in both the construction and consulting environment providing a good understanding of project management and construction administration.
Other skills include hydraulic modelling, surge analysis, pump selection, mechanical engineering for treatment plants and a clear understanding of plant commissioning requirements and procedures.
Bryan MacDonald
Service Leader - Civil Engineering Design
Wellington
Bryan MacDonald
Service Leader - Civil Engineering Design
Wellington
Cam Wilks
Service Leader - Water Infrastructure
Auckland
See Bio
Cam is a Chartered Civil Engineer with over 9 years of experience on projects in the water, wastewater and roading sectors. He has strong skills in contract management, and the design, construction monitoring and commissioning of water and wastewater pipelines and pumping stations. He has experience in managing design teams, as well as being a proven team player, on large, multi-disciplinary projects. At the beginning of Cam’s career, he worked for a contractor on major South Island infrastructure projects.
Chaitra Prakash
Service Leader - Water Infrastructure
Auckland
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Chaitra Prakash
Service Leader - Water Infrastructure
Auckland
Chaitra is a highly experienced and dedicated process engineer in designing industrial processes and driving innovation in various sectors. With a solid educational background and extensive practical experience, Chaitra is known for her problem-solving abilities, technical proficiency, and collaborative approach to project management.
Her specialised expertise encompasses a broad spectrum, including high salinity wastewater treatment, membrane and filtration technologies, coagulation technologies, advanced oxidation processes and designing processes involving hazardous chemicals. She holds several patents in solvent exchange process and Zero-Liquid technology (ZLD) for industrial wastewater treatment. These patents reflect her commitment to sustainable practices, emphasizing water recovery and reuse to conserve vital resources.
Chaitra holds a master’s degree in chemical and materials science from University of Auckland.
Christian Dullnig
Service Leader - Water Infrastructure
Tauranga
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Christian Dullnig
Service Leader - Water Infrastructure
Tauranga
Christian is a Chartered Professional Engineer (Civil and Environmental) with over 15 years of experience working for engineering consultants and in local government, both in Austria and New Zealand.
With over ten years of experience working in New Zealand, Christian has been involved in the design and contract administration of stormwater, wastewater and water renewals. He is an experienced project manager, who has been responsible for the delivery of infrastructure and streetscape, coastal protection, three water modelling and wastewater and water renewal projects.
Gareth Bailey
Service Leader - Water Infrastructure
Christchurch
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Gareth Bailey
Service Leader - Water Infrastructure
Christchurch
Gareth is a Service Leader in PDP’s Christchurch Water Infrastructure Group. He has experience across a broad range of civil and environmental projects with specialist experience in hydraulic modelling, stormwater design and construction phase services.
Gareth has a solid background in water infrastructure projects and is adept at collaborating with multidisciplinary teams to successfully execute complex engineering projects from conception to final signoff.
Jack Feltham
Service Leader - Water Infrastructure
Auckland
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Jack Feltham
Service Leader - Water Infrastructure
Auckland
Jack is an environmental engineer specialising in wastewater treatment and disposal with 10 years of experience. He has been involved in projects covering wastewater treatment design including biological process design, operation and optimisation of wastewater treatment systems, land treatment of wastewater, wastewater odour treatment, and biosolids management.
Jack’s experience also includes the preparation of the assessment of environmental effects for resource consent, technical review of the assessment of environmental effects prepared by others, and preparing evidence for resource consent hearings.
Kevin Franke
Service Leader - Water Infrastructure
Auckland
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Kevin Franke
Service Leader - Water Infrastructure
Auckland
Kevin is a professional Civil and Environmental Engineer with more than 10 years of experience as a Scientific Researcher and Consulting Engineer. He started his career in the UK working on advanced energy recovery schemes and three waters projects before bringing his knowledge to New Zealand.
Kevin has experience in all phases of projects from proposal writing through to construction monitoring, including project/design management, consenting, procurement, and commissioning.
Kevin joined PDP in 2020 and leads our three waters projects for private and public sector clients throughout New Zealand. He is great at building strong relationships with his colleagues, clients, contractors, suppliers, and other stakeholders.
Nils Buchan
Service Leader - Water Infrastructure
Christchurch
See Bio
Nils Buchan
Service Leader - Water Infrastructure
Christchurch
Nils is a Chartered Professional Engineer in PDP’s Christchurch office. Nils works on a variety of water supply, wastewater and stormwater projects through all phases of projects including optioneering, concept, detailed design and construction supervision. He is passionate about delivering quality engineering solutions which meet client’s needs and budgets.
Sagar Makkar
Service Leader - CAD
Auckland
See Bio
Sagar is a Mechanical Engineering Technologist by qualification and is working as a CAD Team leader in PDP’s Water Infrastructure Group. With over nine years of experience in the workforce, Sagar is a specialist in 3D modelling and has high level CAD skills using a range of software packages. He has successfully designed complex water and wastewater treatment plants for PDP clients, allowing them to visualise and save significant costs by identifying issues before construction.
Sagar’s role is crucial in translating concepts into precise digital representations, supporting design optimization, ensuring standards compliance and staying updated with CAD technology for mechanical, civil and structural drafting/designing.
Wageed Kamish
Service Leader - Water Infrastructure
Auckland
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Wageed Kamish
Service Leader - Water Infrastructure
Auckland
Wageed is a chemical process engineer who is passionate about the application of his skills to a wide range of projects to produce sustainable environmental outcomes.
He has 24 years of experience in applying water quality, hydrodynamics, hydrology and numerical modelling skills across New Zealand and Africa. During this time, he was primarily delivering water resources projects, with 6 years spent lecturing environmental water quality modelling, aquatic chemistry and biological wastewater treatment at Stellenbosch University in South Africa.
Wageed has been involved with several large integrated water resources studies where competing demands were addressed by engaging with wide-ranging stakeholder groups and technical experts and is also the main author of New Zealand’s Deep South Science Challenge (DSC) report on water availability, drought and climate change.
Career highlights include hydrodynamic and water quality modelling of the Berg River Reservoir and CFD modelling of major pumping and ancillary works for yield supplementation on the same reservoir.
Water Quality
Hayden Easton
Group Director - Water Resources
Hamilton
See Bio
Hayden Easton
Group Director - Water Resources
Hamilton
Hayden is a water resources scientist with more than 20 years of experience working in consultancy and for regional authorities. He has a wealth of experience in water resources management, hydrological analysis, and the assessment of discharges to freshwater and coastal environments. Having specialist monitoring experience, Hayden has carried out many complex water quality and water quantity assessments for various clients across New Zealand.
Hayden has been involved in many stormwater and water quality peer review projects for local and regional councils assessing large-scale infrastructure and land-use change. He has prepared and presented evidence at resource consent and plan change hearings.
Anna Madarasz-Smith
Technical Director - Coastal
Hawke's Bay
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Anna Madarasz-Smith
Technical Director - Coastal
Hawke's Bay
Anna is a Marine Scientist with over 20 years’ experience in in natural resource management. With a strong background in a variety of technical programmes focused on coastal and freshwater quality and ecology, Anna has established herself as a respected expert witness in consent and plan hearings. Her area of technical expertise lies in understanding the impacts of land-based activities on estuarine and coastal systems, and the science/policy interface.
Prior to joining PDP, Anna led the multidisciplinary science team at Hawke’s Bay Regional Council, where she spearheaded projects aimed at providing sound evidence for resource management planning.
Linda Shamrock
Technical Director - Water Quality
Auckland
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Linda Shamrock
Technical Director - Water Quality
Auckland
Linda is an environmental scientist with a background in chemistry and has been involved in water quality consulting for the last 25 years. She joined PDP in 2018 after immigrating from South Africa. Her background has been based in surface water quality analysis ranging from focused facility-specific water quality assessments and water balances to broad catchment management studies and water resources planning on a national scale.
Since being in New Zealand she has been involved in several stormwater-related projects involving the assessment of water quality and the appropriate treatment thereof.
Linda was also involved in developing risk assessment models for large industrial plants as part of their Integrated Water Management Plans and mining facilities as part of their operational and closure plans using the Goldsim model.
Tom Stephens
Technical Director - Water Quality
Auckland
See Bio
Tom Stephens
Technical Director - Water Quality
Auckland
Tom is a scientist and expert witness on water quality in New Zealand, building on strong background in tertiary research, industry and local government agencies. His technical expertise is centred on freshwater and coastal science, resource management policy and integrated catchment management for rural pand urban stakeholders including mana whenua, pastoral and horticultural sectors and central government.
Tom's previous responsibilities have included leading water quality accounting in Auckland Council (Freshwater Management Tool – sources of, effects of, management interventions for and optimal investment strategies to manage for instream, lake and coastal water quality objectives) and more recently, supporting the Kaipara Moana Remediation programme (mana whenua-government partnership) to develop a bespoke catchment decision-support tool for remediation of instream and harbour water quality (Tātaki Wai, acting as product owner for the $200M remediation group).
Tom also has experience with operating at the science-engineering-planning interface to generate rigorous evidence for decisions on state and trend, causes for, remediation options and costing for alternative approaches to managing waterway health.
Catherine Sturgeon
Service Leader - Water Quality
Hamilton
See Bio
Catherine Sturgeon
Service Leader - Water Quality
Hamilton
Catherine is an environmental scientist with 10 years of experience based in our Hamilton office. She has worked on a range of hydrological projects and has a background in both surface and groundwater hydrology. Catherine has experience in preparing the assessment of environmental effects for water takes and discharge consent applications. She also has experience in environmental compliance monitoring, water quality monitoring and reporting, and hydrological investigations of wetland systems.
She is an experienced project manager and has managed several large-scale multi-disciplinary projects.
Phil Hook
Service Leader - Water Quality
Northland
See Bio
Phil Hook
Service Leader - Water Quality
Northland
Phil is an Environmental Scientist with 10 years of experience working in consultancy and for regional authorities. He has a background in surface water hydrology, water resource management, water quality, assessment of discharges to freshwater and hydraulic modelling. He has a wide range of experience in undertaking large-scale environmental monitoring programs for various clients throughout New Zealand, Australia and the UK.
Shari Gallop
Service Leader - Coastal
Tauranga
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Shari Gallop
Service Leader - Coastal
Tauranga
Shari (Ngāti Maru, Te Rarawa) is a coastal scientist with broad national and international experience in interdisciplinary projects focused on the coast. This includes coastal hazards such as flooding and sea level rise impacts, geomorphology and morphodynamics, estuarine processes and restoration, and more recently, blue carbon in restored coastal wetlands. A key focus of her work is bridging Te Ao Māori (the Māori world) and mātauranga Māori (Māori knowledge) with western science, to understand coastal dynamics and plan for climate change.
Shari also works as a Senior Lecturer in the School of Science at the University of Waikato, is Co-Chair of Women in Coastal Science & Engineering (WICGE), and is Associate Editor for Anthropocene Coasts.
Ecology
Duncan Gray
Technical Director - Ecology
Christchurch
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Duncan is a freshwater ecologist with 20 years experience in both the public and private sector. He has worked on a broad range of topics including flow and allocation reviews for regional council, windfarm development, mine impacted streams, braided rivers, fish and macroinvertebrate surveys and monitoring program design. He has worked extensively with the Canterbury Regional Council providing technical support for policy and planning processes, consenting, advise to Iwi and community groups, industry stakeholder groups and national special interest groups.
Duncan has a love of the natural world and communicating his scientific understanding of the environment in way that is accessible to each audience. He is passionate about applying science within policy frameworks to achieve the best outcomes for a sustainable future and the environment.
Jarred Arthur
Technical Director - Ecology
Christchurch
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Jarred Arthur
Technical Director - Ecology
Christchurch
Jarred has thirteen years’ experience working as a freshwater ecologist in both the public and private sectors. He has provided technical support to policy and planning processes, governance and community groups, iwi, industry stakeholders and other technical specialists. He is well-versed in monitoring aquatic ecosystems and has interpreted and reported on a wide variety of ecological datasets.
Jarred is passionate about both the environment and people. He knows the importance of maintaining strong personal and working relationships with individuals and groups from different backgrounds, professions and organisations. This includes communicating science simply and clearly in a manner tailored to fit specific audiences.
Mark Bellingham
Technical Director - Ecology
Auckland
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Mark Bellingham
Technical Director - Ecology
Auckland
Mark is our Auckland-based Principal Ecologist. Mark has over 25 years of experience in resource management, planning, project and contract management, ecological research and operational delivery.
At PDP Mark leads our Auckland ecology team and provides ecological advice to a wide range of clients. Before joining PDP, Mark was a lecturer at Auckland and Massey Universities. He’s also been heavily involved with the Maruia Society and the Royal Forest & Bird Protection Society. He’s a science advisor to the Wildlife Conservation Trust of New Zealand.
Mark loves the outdoors: tramping, cycling, running and kayaking. His passion lies in New Zealand’s ecological diversity and we are privileged to have him on our team.
Cate Ryan
Service Leader - Botany
Auckland
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Cate is a plant ecologist and remote sensing scientist. She has strong expertise in developing indicators of ecosystem condition, image analysis, data analysis and interpretation. She is also skilled in vegetation survey and mapping across a range of habitats. Cate has a strong interest in restoring ecosystems to their ecological potential alongside communities.
Cate has a depth of project management experience, delivering complex sustainability and technology projects with diverse groups of stakeholders.
Emma Willmore
Service Leader - Ecology
Auckland
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Emma Willmore
Service Leader - Ecology
Auckland
Emma is an ecologist with over 13 years of resource management experience gained through roles in local government and consultancy, with a background in freshwater ecology, water quality, planning and impact assessment.
Emma has strong technical expertise in the management and implementation of freshwater ecological assessments to support resource consent applications, meet compliance requirements and enhance ecological outcomes. These include field surveys to identify baseline ecological values and assessment of environmental impacts from resource use, discharges and land development on receiving environments. She is also experienced in preparing streamworks consents involving native fish capture and relocations and assessing instream structures for the provision of fish passage, under freshwater legislation.
Emma has a particular interest in ecological restoration, particularly in urban environments that benefit both the community and the environment. She has managed many large multi-disciplinary projects, involving collaboration with a wide range of stakeholders, authorities and technical specialists. She is committed to delivering high-quality projects that exceed client expectations.
Emma is a Certified Environmental Practitioner (CEnvP) through EIANZ and is an active and founding member of PDP’s Environmental Sustainability Committee.
Lizzie Civil
Service Leader - Ecology
Auckland
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Lizzie Civil
Service Leader - Ecology
Auckland
Lizzie is an Ecologist with over 11 years of experience in the Aviation/Transport Industry. She has been working as an independent Ecological Consultant and Airfield Manager/Wildlife and Grounds Manager.
She is an experienced project manager, with technical expertise in terrestrial ecology - Avifauna, wildlife and pest management plans, human-wildlife conflict and landscape reviews. She is experienced in mitigating human and wildlife conflict through habitat modification, ensuring wildlife and human activities co-exist safely.
Winsome Marshall
Service Leader - Ecology
Christchurch
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Winsome Marshall
Service Leader - Ecology
Christchurch
Winsome is a Freshwater Ecologist with over ten years of experience working in consultancy. Winsome has expertise in assessing impacts of a wide variety of anthropogenic activities on freshwater ecology and water quality. State of environment monitoring (SOE), aquatic habitat restoration and inanga spawning surveys are also key skills.
She has a strong understanding of environmental principals, data analysis (using excel, R, and TimeTrends), and providing practical solutions for environmental issues. Winsome is an experienced electric fishing operator and has fished a wide variety of freshwater habitats throughout New Zealand.
Water Resources
Alan Pattle
Technical Director - Water and Geotechnics, Director
Auckland
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Alan Pattle
Technical Director - Water and Geotechnics, Director
Auckland
Alan co-founded PDP in 1986 after spending 10 years in the UK and Asia gaining international experience. Since its inception, he has overseen the company's growth from its core groundwater focus into a multidisciplinary environmental engineering and science consultancy.
Alan is an Auckland-based director of the company who has over 36 years of experience. He is actively involved at the technical and management level in a wide range of projects undertaken by the company including technical oversight of the company’s water resources and wastewater services. He is regularly called to appear as an expert witness for hearings at territorial authorities and the Environment Court.
Bas Veendrick
Technical Director - Water Resources
Christchurch
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Bas Veendrick
Technical Director - Water Resources
Christchurch
Bas has 12 years of experience as a senior hydrologist/environmental scientist specialising in hydrology and hydraulic investigations. This experience has included irrigation demand-supply studies, flood assessments, rainfall-runoff modelling, hydraulic routing, site investigation, conceptual design and associated resource management (consenting) requirements.
Bas is involved in various projects related to the development and consenting of irrigation schemes, large and small-scale water supply, hydro-power and stormwater projects. He has extensive experience with many current hydrological and hydraulic modelling packages. He has been involved in several peer review projects for corporate clients, local and regional councils as well as the Environmental Protection Agency (EPA) and has experience in preparing and presenting evidence at resource consent and plan change hearings.
Blair Thornburrow
Technical Director - Water Resources
Tauranga
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Blair Thornburrow
Technical Director - Water Resources
Tauranga
Blair is a Technical Director at PDP with over 17 years of professional consulting experience in New Zealand and Australia, working with clients across all industry sectors. Blair’s technical expertise spans multiple areas of water resource science including hydrogeology, hydrology, groundwater modelling, water resource management/allocation and groundwater investigations.
Since joining PDP’s Tauranga office in 2015, Blair has managed and undertaken projects to: develop privately owned and council water supplies; complete technical assessments for major infrastructure developments; and provide specialist advice to regulatory authorities. Blair has presented expert evidence at consent hearings on behalf of both applicants and councils for water take, wastewater discharge and infrastructure proposals.
Blair has a passion for delivering excellent outcomes for clients based on sound technical advice with a focus on quality, innovation, and clear communication.
Carl Steffens
Technical Director - Water Resources
Christchurch
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Carl Steffens
Technical Director - Water Resources
Christchurch
Carl is a hydrogeologist with over 9 years of experience on water resources-related projects throughout New Zealand. He has experience in groundwater resource evaluation and modelling which includes hydrogeological field testing, data interpretation/analysis and reporting. Additionally, Carl has been involved in the management of Assessment of Environmental Effects reports for consent applications and has presented evidence at resource consent hearings.
Clare Maginness
Technical Director - Water Resources
Tauranga
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Clare Maginness
Technical Director - Water Resources
Tauranga
Clare has over 13 years of project management and technical experience in New Zealand and overseas. Clare has a strong track record of delivering quality projects on budget and time. She is highly skilled in leading multi-disciplinary teams to achieve her client's objectives. Clare has excellent interpersonal skills and is proficient at building relationships with clients, other professionals and stakeholders.
Clare’s technical expertise includes water resources management, hydrogeology, assessment of environmental effects, water quality analysis, field investigations and modelling. She has a particular talent for communicating complex technical information concisely and simply.
Greg Murphy
Technical Director - Water Resources
Auckland
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Greg Murphy
Technical Director - Water Resources
Auckland
Greg is an environmental management practitioner with over thirty years of experience in regulatory services for local government. For twelve years, Greg led Auckland Council’s team responsible for the provision of operational leadership and guidance on water allocation resource consent-related matters, before joining PDP in 2017.
Greg has prepared effects assessments for clients; provided technical review of consent applications for Regional Councils; and presented expert evidence on water takes and infrastructure proposals involving ground dewatering (including Auckland’s City Rail Loop tunnel project), at consent hearings on behalf of the council and clients. He maintains strong relationships with clients, stakeholders and internal teams; based on collaboration, good communication and interpersonal skills.
Hilary Lough
Technical Director - Water Resources
Christchurch
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Hilary is an environmental engineer with 19 years of experience working on a wide range of civil and environmental engineering projects including groundwater, water supply, wastewater and stormwater projects. She is experienced in managing projects from the feasibility stage through to detailed site investigation including field testing & analysis, resource consent procurement including presentation of expert evidence at consent hearings, conceptual and detailed design and construction management.
Hilary is recognised for her specialised skills in managing investigations and assessments relating to groundwater issues, including groundwater-surface water interaction, impacts of abstraction from and discharge to groundwater and contaminant transport, including nutrients, through soil and groundwater. She is skilled in numerical and analytical groundwater modelling. She completed her Masters in Civil Engineering in 2004 on groundwater-surface water interaction and she continues to conduct research in this area and provides advice to Council and other organisations.
Jeremy Sanson
Technical Director - Water Resources
Christchurch
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Jeremy Sanson
Technical Director - Water Resources
Christchurch
Jeremy is a water resources engineer with 15 years of experience working on environmental engineering projects throughout New Zealand. This experience has included groundwater and surface water monitoring, irrigation and nutrient modelling, and the preparation of resource consent applications.
Jeremy currently assists several irrigation schemes and other farming groups with their environmental issues, including annual compliance reporting, and managing resource consent applications related to the abstraction of water and nutrient discharges from farming. Other projects include modelling nitrogen losses and investigating the potential for Managed Aquifer Recharge and Targeted Stream Augmentation.
Katy Grant
Technical Director - Water Resources
Wellington
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Katy Grant
Technical Director - Water Resources
Wellington
Katy has 16 years of experience as a professional consultant proving technical solutions to groundwater issues in New Zealand, Australia and overseas. She has assisted a broad range of clients in the agriculture, construction and mining sectors, as well as various government bodies, with issues around water supply, dewatering, groundwater contamination and wastewater management. She specialises in hydrogeological conceptualisations, groundwater resource evaluation and environmental and aquifer impact assessments.
Katy has significant experience designing and managing groundwater supply projects from the initial desk-based assessment, through the field investigation, resource modelling and borefield design, to obtaining resource consent. She also regularly assists the contaminated land team with the hydrogeological aspects of their projects.
Neil Thomas
Technical Director - Water Resources
Christchurch
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Neil Thomas
Technical Director - Water Resources
Christchurch
Neil is a hydrogeologist with 14 years of experience. His key skills are in regional and local scale groundwater modelling. Neil has also been involved in a wide range of consenting projects in New Zealand and specifically Christchurch, including presenting evidence at hearings. He is also involved with the technical review of consent applications on behalf of several regional councils.
Neil’s role at PDP involves working on a wide range of groundwater management issues including assessments of groundwater quality and quantity within Canterbury, and elsewhere in New Zealand. These include the effects of land use and activities on groundwater and the interaction between groundwater and surface waterways. Neil has extensive experience with groundwater models including detailed uncertainty analysis, gained both in New Zealand and in the UK.
Parviz Namjou
Technical Director - Water Resources
Auckland
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Parviz Namjou
Technical Director - Water Resources
Auckland
Parviz is a hydrogeologist, specialising in groundwater assessment. He has over 15 years of experience relating to the assessment of groundwater resources, hydrogeological assessments and groundwater flow and contaminant transport modelling. He has also been involved in the preparation of AEE documents for various consent applications related to groundwater resource and environmental effects assessment.
Additionally, Parviz has developed numerous groundwater models throughout the greater Auckland area, including a comprehensive groundwater model for the whole Auckland Isthmus as part of the Global Aquifer Study (GAS) and has won the modelling award for the best paper at the Water NZ Conference in 2010.
Peter Callander
Technical Director - Water Resources, Director
Christchurch
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Peter Callander
Technical Director - Water Resources, Director
Christchurch
Peter is one of PDP’s Christchurch-based directors, with over 25 years of experience in environmental assessment and management, with a focus on groundwater and contamination issues. He was the lead author of nationally utilised guideline documents dealing with the effects of groundwater pumping on surface water bodies and the management and monitoring of seawater intrusion on groundwater in coastal aquifers.
Possessing significant experience as an expert witness, Peter has provided technical evidence related to groundwater effects in hearings for the consenting of landfills, hydroelectric power schemes, and community irrigation schemes. He is also involved in hearings and debates regarding groundwater allocation and water management issues and planning requirements to protect both surface water and groundwater quality.
As a certified Independent Hearing Commissioner Peter has fulfilled that role for regional council hearing panels dealing with resource consent applications for water abstraction and wastewater discharge activities.
Ramon Strong
Technical Director - Water Resources
Invercargill
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Ramon Strong
Technical Director - Water Resources
Invercargill
Ramon is a Chartered Professional Engineer with 30 years of experience in civil engineering, primarily in the areas of river engineering/flood management and geotechnical engineering. That’s mainly been in Aotearoa but includes working in Australia, Indonesia and the UK. He is a member of Engineering New Zealand and the Rivers Group and is a member of the NZ Society on Large Dams (NZSOLD) management committee.
His experience encompasses both broader management approaches/ strategy development for river systems as well as the technical and practical/operational aspects. That encompasses modelling (physical scale and computational) and gravel/sediment transport to the design and construction of stopbanks, training structures, weirs/ drop structures and spillways. Ramon is also an experienced assessor of irrigation and detention dams.
Ben Throssell
Service Leader - Water Resources
Christchurch
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Ben Throssell
Service Leader - Water Resources
Christchurch
Ben is a Water Engineer with ten years’ experience in 1-D/2-D hydraulic modelling, hydrological analysis and river engineering design. Ben has a thorough understanding of hydraulic and hydrological processes which enables him to develop realistic and robust design parameters for use in design of river engineering works and informing flood hazard assessments.
Dave Stafford
Service Leader - Water Resources
Auckland
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Dave Stafford
Service Leader - Water Resources
Auckland
Dave is an MSc qualified groundwater specialist with 10 years’ experience working across a variety of civil construction, water supply and groundwater management solutions for large scale civil infrastructure, natural resource and local government clients across New Zealand, Europe and the UK.
Nic Love
Service Leader - Water Resources
Christchurch
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Nic is a hydrogeologist with over 7 years of experience in surface water and groundwater resource assessments, both within Canterbury and wider New Zealand. He has experience in undertaking hydrogeological field investigations, dewatering assessments, analytical modelling of drawdown interference and stream depletion effects as a result of groundwater abstraction as well as resource assessments relating to the management and allocation of groundwater. Nic has extensive experience relating to the planning and completion of new public drinking water supplies and has been involved with feasibility studies, site scoping, overseeing drilling operations, delineation of Source Water Risk Management Areas and preparing assessments of environmental effects for resource consent applications.
Nic also has experience appearing as an expert witness at resource consent hearings, presenting technical evidence relating to effects on groundwater and surface water resources as a result of groundwater abstraction.