Nigel Tse

Project Manager, ACAP Design Team

Nigel Tse

Project Manager, ACAP Design Team

Nigel has been managing our specialist network and infrastructure projects throughout New Zealand and the Asia-Pacific for over 20 years.

Nigel’s worked extensively in water, wastewater and water resource engineering, particularly infrastructure assessment and design. Responsible for the management and coordination of many large multidisciplinary projects, Nigel conducts investigation, design, analysis, contract and project management for both private and territorial authority clients.

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David Needham

Head of Operations

David Needham

Head of Operations

David is a principal at Harrison Grierson, and a guest lecturer at Waikato University.

He’s successfully managed many multi-office, multidiscipline land development projects from start to finish – always on time and budget.

Despite over 16 years’ experience in land development and statutory planning, he’s yet to get his dream project off the ground – managing the redevelopment of the Augusta National Golf Course.

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Phil Comer

Technical Director - Planning

Phil Comer

Technical Director - Planning

With over 16 years’ experience both here and in the UK, Phil brings an abundance of know-how to Harrison Grierson. He’s involved with everything from strategic planning and land development, to resource consents and structure planning. So it’s not surprising that it’s the diversity of clients and projects that Phil loves most about his work.

Phil’s managed a number of multidisciplinary projects, and been an expert witness in Council hearings and in the Environment Court.

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Shane Dixon

Market Lead - Southern

Shane Dixon

Market Lead - Southern

Shane’s a principal of Harrison Grierson and an expert on development projects for government agencies and private land developers. He manages key South Island clients and projects, in particular land development and surveying projects.

His current role has allowed him to demonstrate and hone his skills in listening to our clients, understanding their needs and drivers, and developing the right solutions.

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Steve Finnemore

National Alliance Manager

Steve Finnemore

National Alliance Manager

Steve's one of our technical directors.

For more than 20 years Steve’s been planning, designing and implementing major multidisciplinary water infrastructure projects. In that time, he’s built a particular expertise in membrane technology.

While he’s worked on hundreds of assignments throughout Europe, Australasia and the Pacific Rim, he ranks the project to bring water to New Zealand dairy farmers during the worst drought in 80 years among his most significant achievements.

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Mark Bowden

Property Consultant

Mark Bowden

Property Consultant

Based in our Auckland office, Mark has a 40-year career with Harrison Grierson. He’s developed high-level expertise in tenancy lease area surveys and building as-builts, including Green Star.

He’s also spent 30 years learning guitar, although not to the same level of expertise as he’s achieved professionally.

Today, Mark’s responsible for securing and managing a wide range of surveys for office, industrial, commercial and retail buildings across New Zealand.

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Simon Murphy

Design Manager - Piritahi Alliance

Simon Murphy

Design Manager - Piritahi Alliance

With over 26 years in the civil, infrastructure and urban development industry, Simon has worked across a wide range of large scale projects over his career.

Over the last three years he has been based in the Piritahi Alliance leading a team of 210 designers across 85 projects preparing large-scale super lots and new infrastructure on behalf of Kainga Ora.

Simon is enthusiastic about helping to deepen HG's positive culture and constructively adding value.

He says the wide range of interesting and challenging projects at HG keeps him on his toes.

He is a Chartered Professional Engineer (CPEng), and Engineering NZ Chartered Member (CMEngNZ). His exceptional performance as a senior manager is reflected in his appointment to the Harrison Grierson Board.

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Glen Cornelius

Chief Executive

Glen Cornelius

Chief Executive

Since becoming managing director in January 2012, Glen’s been steering our 133-year old company through significant transformation and growth.

A passionate client champion, Glen enjoys working alongside highly engaged clients on a diverse range of projects. He regularly visits our clients and our nine offices across New Zealand. He’s excited about helping to turn clients’ visions into reality and making the world a better place for everyone.

A highly experienced civil engineer with a Masters in Engineering, Glen’s a Chartered Professional Engineer, a member of the New Zealand Institute of Directors and an Associate of the New Zealand Institute of Management. He’s Vice President on the Engineering New Zealand Board, and is also a board member of Habitat for Humanity.

Glen was recently made a Fellow of the Institution of Professional Engineers of New Zealand (IPENZ) in recognition of his significant contribution to engineering.

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Andrew Collins

Market Lead - Northern

Andrew Collins

Market Lead - Northern

Based in our Tauranga office, Andrew works nationwide as leader of our urban development disciplines (planning, urban design, landscape architecture and development engineering).

Andrew has over 30 years’ planning and resource management experience, as well as considerable governance, executive and strategic expertise. He works with our clients at a strategic level, and brings together the best teams for each project, to optimise their planning and development outcomes.

Andrew is actively involved in planning and property sector organisations, and is a past President of the Bay of Plenty branch of the Property Council of New Zealand.

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Mike Benning

GM Strategic Initiatives

Mike Benning

GM Strategic Initiatives

Mike is a Registered Professional Surveyor based in our Auckland office and his experience is in the Land and Buildings sector leading and implementing major property projects in both the residential and commercial space.

Mike’s works closely with our corporate clients advising on large property portfolios. He considers it a privilege to earn his clients’ trust and participate in their business objectives, opportunities and needs.

Mike has significant executive management expertise, is a member of the New Zealand Institute of Directors and was a Director on the Harrison Grierson Board from 2005 - 2018.

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Poul Israelson

Technical Director

Poul Israelson

Technical Director

Poul has over 21 years of experience advising clients in the public and private sectors. He's an experienced manager who leads teams of planners and other consulting professionals on projects in the land development, commercial, residential, education and network utility sectors.

Poul's one of our technical directors and recently returned to Wellington after four years working with Harrison Grierson in Brisbane. He has a Postgraduate Diploma in Business Administration, and a Master of Regional and Resource Planning (Distinction).

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Clare Covington

Senior Planner & Principal

Clare Covington

Senior Planner & Principal

Clare’s highly experienced in statutory planning, particularly information requirements and preparation of land use and subdivision consents. She’s been involved in a number of major development projects, such as school halls, retirement village redevelopments and hospitals.

Clare’s a principal in our Auckland office, and has a BA (Hons) Town and Country Planning and a Bachelor of Town Planning. She's also a Member of the New Zealand Planning Institute.

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Anita Simpson

Three Waters Manager

Anita Simpson

Three Waters Manager

Anita’s expertise include wastewater treatment process design, water treatment plant process design, trade waste bylaws and compliance and resource consents assessment of environmental effects.

Based in our Auckland office, Anita’s a Chartered Professional Engineer (CPENG) and a Project Management Professional (PMP) (R).

Her qualifications include a BEng (Environmental Engineering) and Environmental Law for Non-Lawyers (COP). She’s also a member of MIPENZ, Water NZ and WEF.

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Ricky Schamall

Senior Surveyor - Auckland

Ricky Schamall

Senior Surveyor - Auckland

Since coming to New Zealand in 2003, Ricky has gained an excellent understanding and knowledge of rentable area surveys and building as-builts for architectural design. She has become one of our key contacts for queries in these fields for both external and internal clients.

Ricky has more than 30 years’ experience covering a wide range of survey work including set out, topographical and cadastral surveys. She is passionate about environmental issues and chairs our sustainability advisory group.

Her German qualification is equivalent to a New Zealand bachelor’s degree. She is a member of the New Zealand Institute of Surveyors.

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Nev Smyth

Senior Engineer - Land Development

Nev Smyth

Senior Engineer - Land Development

Nev has over 14 years’ experience in land development and civil infrastructure projects with Harrison Grierson, principally managing projects in the public, residential and commercial sectors.

He has extensive expertise in civil design and construction (roads, earthworks, stormwater, sewerage, water supply, servicing) and managing multidisciplinary projects and comprehensive urban design.

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Karen West

Head of People & Communications

Karen West

Head of People & Communications

Since her appointment in late 2011, Karen’s worked closely with our Chief Executive on a range of transformational projects. This culminated in March 2014 with the launch of our new visual identity, reflecting the significant positive change we’ve undergone.

Karen’s passionate about our brand strategy, our brand values and our company image. She’s been the key driver of our focus on clients and exceptional service delivery and has made these a fundamental part of life at Harrison Grierson.

A member of the executive team, Karen’s strategic advice is required across all aspects of the business.

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Elena Trout

Independent Director

Elena Trout

Independent Director

A professional engineer with extensive experience as a company director, project director and consultant, Elena specialises in change management, asset management and contract procurement. Also, project development and implementation of large scale infrastructure developments - particularly energy and transport.

Elena’s a director of Contact Energy Ltd, Marsden Maritime Holdings Ltd, and the Energy Efficiency and Conservation Authority. Elena is also a member of the Unitec governing council. She has recently completed her term as President of the Institution of Professional Engineers of New Zealand (IPENZ), the second woman in its 100 year history to hold the position.

Elena is a member of the Institute of Directors and New Zealand Global Women, and a fellow of IPENZ. She holds a Master of Civil Engineering degree from Canterbury University. Close

Nick Grala

National Planning & Environment Manager

Nick Grala

National Planning & Environment Manager

Nick’s a problem solver who takes pride in delivering services on time and helping to ensure a project’s success.

He’s been involved in many nationwide land development and utility projects. This involves working with a wide range of infrastructure providers and property developers providing feasibility advice, securing resource consents and acting as an expert planning witness in Environment Court appeals.

Nick's a full member of the New Zealand Planning Institute and the Resource Management Law Association of New Zealand.

He’s also a big sports fan and an avid golfer. He recently retired from playing top grade cricket after more than a decade.

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Josh Mason

Technical Manager – High Definition Surveying

Josh Mason

Technical Manager – High Definition Surveying

After 20 years of survey experience, Josh is happiest watching a project being built (as a big All Blacks fan, working on the Eden Park redevelopment for the 2011 Rugby World Cup was a highlight).

He particularly enjoys working closely with clients on new projects and using the latest survey equipment and software to ensure they achieve the results they want.

Josh specialises in tenancy area measurements for lease documentation, unit title, building as-built for design purposes, building set out and monitoring of structures for movement.

He has a National Diploma in Land Surveying and is a Principal at HG.

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Grant Rae

Technical Director - Land Development

Grant Rae

Technical Director - Land Development

Based in our Tauranga office, Grant is the team leader of our growing Bay of Plenty Land Development team.

Grant’s expertise includes project management, subdivision design and construction, general civil engineering and contract management. He’s kept busy with the design and contract administration for a wide variety of land development projects – including residential subdivisions, civil infrastructure, retirement villages and reserve developments.

Grant is a principal of Harrison Grierson and has a BEng (Civil) (Hons).

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Daniel Scott

Technical Director - Urban Development

Daniel Scott

Technical Director - Urban Development

Daniel’s been designing and managing land development projects in the residential, commercial and industrial sectors since 1994.

A principal in our Auckland office, he’s had over 20 years’ experience in the land development and infrastructure fields in both New Zealand and the UK. This includes earthworks, sediment control, drainage, pavements, water supply and services associated with land development, especially in the Auckland area. Daniel’s also skilled in public relations and consultation.

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Darryl Martin

Technical Director - Survey

Darryl Martin

Technical Director - Survey

Based in our Auckland head office, Darryl's a senior surveyor and a project manager within our Survey team. With over 30 years’ experience, he has developed expertise in subdivision project management and working with multidisciplinary teams.

As a survey team leader, Darryl takes a lead role on managing a wide range of survey projects. He has a particular interest in high density subdivision and is currently project managing the Hobsonville development.

Darryl's a principal at Harrison Grierson, and is a member of the NZ Institute of Surveyors.

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Clare Tolan

General Manager - Survey

Clare Tolan

General Manager - Survey

Clare’s worked on 55-storey buildings in Melbourne, large rural subdivisions in Central Hawke’s Bay, and ‘everything in between.’

Specialising in cadastral surveying and land development, Clare’s enjoying leading our survey team into the new tech era - as well as our surveyors’ ‘uncanny ability to find humour in the details.’

Previously in our Christchurch office, Clare was the senior surveyor for the 114 ha Waterloo Business Park and provided consultancy services to the Canterbury Earthquake Recovery Authority for CBD redevelopment projects. Now in Auckland, she’s busy with rapidly growing Special Housing Area projects.

Clare holds a Bachelor of Survey from Otago University, is a Licensed Cadastral Surveyor, and is studying towards an MBA through Edinburgh University School of Business.

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Daryl Murray

Survey Manager - Auckland

Daryl Murray

Survey Manager - Auckland

Daryl leads our Auckland survey team and has been part of this successful, tight knit group for over 20 years. His Aikido and Tai-chi training brings a centred and calming yet focused disposition to the survey project work flow.

A Licensed Cadastral Surveyor and Registered Professional Surveyor, Daryl has expertise in strata subdivision and unit titles. He also works closely with our construction set-out and commercial development experts.

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Dan O’Neill

Senior Surveyor/Project Manager

Dan O’Neill

Senior Surveyor/Project Manager

Dan’s been playing drums in a punk rock band for over 25 years. He’s also been working in our Auckland survey team for over 19 years. Dan started with us as a survey assistant; he’s now a project manager and team leader and specialises in large scale subdivisions.

Dan’s excellent general knowledge of surveying is backed by a National Diploma in Land Surveying.

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Ross McDowell

Land Development Lead Engineer

Ross McDowell

Land Development Lead Engineer

If he’s not busy designing something or mentoring the younger members of the team, Ross is probably out coaching his two boys on the football field.

Based in our Tauranga office, Ross is a senior member of the land development team.

His expertise is largely in land development design. This includes subdivision layout, earthworks modelling and civil infrastructure using 14 years of experience with the design software 12d Model. Ross is an associate of Harrison Grierson, a Registered Professional Surveyor and has a BSurv.

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Sam Coles

Senior Urban Designer

Sam Coles

Senior Urban Designer

A senior urban designer with more than 10 years at Harrison Grierson, Sam has a broad range of design skills and specialises in the design of multi-unit residential developments. He confidently leads the urban design inputs to some of New Zealand’s largest masterplanning projects.

Sam is passionate advocate of new technology and utilises an interactive design process to optimise and communicate design solutions to the project team.

World travel is great source of inspiration for Sam. On the home front he is actively developing hands-on construction experience through DIY projects.

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Lee Dove

National Survey Manager

Lee Dove

National Survey Manager

Lee leads our national survey team and is based in our Tauranga office.

Formerly a senior planner at Tauranga City Council, Lee has over 12 years’ experience in resource management and local government. His resource management experience includes statutory, policy and strategic planning. He’s provided planning services to numerous consent authorities, and has led and project managed large multidisciplinary projects in the private sector.

After hours, Lee’s kept busy by two young daughters, and playing golf and soccer.

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Bradley Cooper

National Buildings Manager

Bradley Cooper

National Buildings Manager

Based in our Tauranga office, Bradley has in depth experience leading and managing both the Buildings and Infrastructure teams, providing design input and leading multi-discipline projects in the commercial, civic, residential and industrial spaces.

Bradley has grown and developed the market share of HG in both technical fields in the Bay of Plenty, and has successfully cultivated two successful and effective teams.

He has 11 years’ experience and has worked in the UK, Australia and NZ.

Originally from the UK, he has a BEng (Hons) (Civil) University of Portsmouth, England.

Bradley's also a keen motorcyclist and a proud father of young twins.

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Sarah Rasmussen

Commercial Project Manager, Southern Region

Sarah Rasmussen

Commercial Project Manager, Southern Region

Sarah assists our Wellington and Christchurch teams to achieve the best possible results on every project by advising on good commercial and financial practices.

An associate of Harrison Grierson, Sarah uses her 11 years’ experience in business administration and her operations manager background to support our project managers to deliver successful outcomes.

Sarah enjoys playing a part in our projects, and finds it rewarding to see them completed when she’s out and about in both cities.

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Rob Rimmer

Principal - Land Development

Rob Rimmer

Principal - Land Development

Rob loves subdivisions and any project involving diggers and trucks. His dream project involves working on the expansion of a tropical resort marina from a project office located in a 51ft ketch moored on site.

A principal of Harrison Grierson, Rob works across the HG teams to deliver our clients civil engineering solutions that he is proud of.

Rob has 23 years’ experience and a MSc (Project Management in Construction) and BSurv.

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Gillian Crowcroft

Technical Director - Environment

Gillian Crowcroft

Technical Director - Environment

Gillian is HG's Environmental Lead and Associate based in our Auckland office.

Gillian has more than 20 years' experience working with the public and private sectors on resource management projects. Gillian's breadth of experience runs over multiple disciplines including strategy, policy, environmental science, regional planning and stakeholder engagement.

Gillian's exceptional performance as a senior manager is reflected in her appointment to the Harrison Grierson Board.

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Jamie Maxwell

National Telco Manager

Jamie Maxwell

National Telco Manager

Based in our Wellington office, Jamie works with teams around the country to deliver telecommunications projects for our clients.

He has a background in project, design and contract management of telecommunications, buildings and infrastructure projects, and was the technical leader for our team working on the Rural Broadband Initiative (RBI1) - which helped deliver 154 new mobile towers and the upgrade of 380 existing sites over a 5-year period.

Jamie's a Project Management Professional (PMP) and a member of the Project Management Institute of New Zealand (PMINZ).

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Allan Robertson

Structures Manager – Christchurch & Wellington

Allan Robertson

Structures Manager – Christchurch & Wellington

Allan’s background includes over 17 years in the UK providing structural and civil engineering solutions for local authorities, educational institutions, airports and private developers.

One project Allan is most proud to have worked on is the University of Aberdeen's Rowett Institute for Nutrition and Health building. He oversaw the structural design and the construction stage for the new laboratory and research facility, located in the heart of Aberdeen Royal Infirmary’s campus.

Since moving to NZ in the summer of 2016 and joining our Christchurch team, he’s been involved in earthquake inspection, strengthening and repair works, along with providing structural solutions to the residential and commercial sectors.

He's also developed a real taste for skiing, and even become a keen rugby fan.

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Scott King

Land Development & Civils Manager - Bay of Plenty/Waikato

Scott King

Land Development & Civils Manager - Bay of Plenty/Waikato

Scott is a Chartered Professional Civil Engineer with over 20 years of experience, the last 15 of which have been spent in the Waikato looking after the infrastructure elements of a variety of land development projects.

Now Land Development & Civils Manager for the Bay of Plenty and Waikato, Scott’s main area of expertise is stormwater management, including wetland design and low impact solutions. Scott is a keen believer in effective Project Management and open and up front communication being key factors in being able to deliver on promises to clients every time. Scott takes great pride in being involved in key local projects that improve the community he lives in, and his involvement in the challenging and successful Victoria on the River project and the development of the upcoming Rototuna Town Centre (both in Hamilton) are his key project highlights (so far).

Outside of work Scott is an occasional runner, loves going to movies and concerts and playing soccer.

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Steve Jones

National Infrastructure Manager

Steve Jones

National Infrastructure Manager

A chartered civil engineer with over 30 years’ international experience, Steve joined HG from Tanzania, where he was country manager for a multinational company. Previously, Steve’s held top management roles in water and transportation, leading large teams for global companies in NZ, the UK, United Arab Emirates and South Africa.

Steve has extensive expertise across the entire water cycle, including Infrastructure, Water & Wastewater, and Water Resources.

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Jo Brosnahan

Chair

Jo Brosnahan

Chair

Jo is a well-known and highly regarded Chair and Board Director. She is currently Chair of Northpower Fibre and of Maritime New Zealand, a member of the Auckland Museum board and Principal of Leaders for the Future. She is the founding Chair of the Taitokerau Education Trust in Northland. A former Chair of Landcare Research, a director of Housing New Zealand Corporation and HLC, Jo has also been CEO of the Northland Regional Council and of the Auckland Regional Council.

Jo is an Advisory Trustee of Leadership New Zealand, which she founded and chaired for more than a decade. She is a Chartered Fellow of the Institute of Directors and of the Chartered Institute of Logistics and Transport, of which she was national President. Close

Lauren Salisbury

Independent Director

Lauren Salisbury

Independent Director

Lauren is a digital transformation specialist and has been at the forefront of technology innovation in North America, Europe, the United Kingdom and Australia, returning to New Zealand in 2018 after a successful 19-year international career.

A digital executive and investor, Lauren has worked with an extensive range of offshore start-up businesses and established multinational organisations on strategies to realise their growth potential with emerging technologies including artificial intelligence and the Internet of Things. Lauren is a member of the Institute of Directors. Close

Kate Mortlock

Programme Coordinator – Advisory Services

Kate Mortlock

Programme Coordinator – Advisory Services

With over 10 years working in communications and three in programme management, Kate coordinates and drives the successful delivery of our advisory services programmes.

Kate has a strong interest in stakeholder engagement and management and often acts as the point of contact for programme activities.

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Ashley Jelley

Urban Development Manager

Ashley Jelley

Urban Development Manager

Ashley leads our Wellington survey, planning, and civil engineering teams.

A Licensed Cadastral Surveyor with over 10 years’ experience Ashley has specialist skills in providing surveying and titling solutions tailored to the specific uses and requirements of each site.

After seven years in Melbourne and Sydney working for large surveying and engineering consultancies on some of Australia’s largest residential developments and gaining expertise in building subdivision and unit titles, construction set out, and site survey, Ashley returned to NZ in 2017 to join our Wellington survey team.

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Craig Friedel

Technical Lead - Planning

Craig Friedel

Technical Lead - Planning

Craig enjoys working with clients to analyse and develop innovative responses to address complex resource management issues.

More recently this has included analysing urban development capacity through investigating housing and business demand, supply and feasibility, and developing policies to assist in ensuring the communities needs are met in the future.

In 2018 he obtained a Masters in Environmental Policy and Management with Distinction, and was also the recipient of Lincoln University’s John Hayward Memorial Prize.

Outside of work, Craig enjoys heading to the Canterbury foothills and Southern Alps for a weekend of mountain biking or tramping.

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Francois van Graan

Team Leader Infrastructure

Francois van Graan

Team Leader Infrastructure

Francois leads the Tauranga Infrastructure team, providing infrastructure engineering solutions to the wider Bay of Plenty region.

Francois has over 23 years experience in developing civil infrastructure for commercial, industrial and residential developments, as well as working on numerous schools and other civil building projects.

Francois specifically enjoyed working on bulk infrastructure projects providing much needed services to communities in Southern Africa.

Currently a Chartered Member of Engineering New Zealand, as well as being professionally registered with the Engineering Council of South Africa, Francois is working towards his CPENG accreditation in New Zealand.

In his spare time, Francois and his partner, together with their two dogs, can be found exploring all the nooks and cranny’s that the New Zealand countryside has to offer.

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Shabiya Jahan

Business Solutions Manager

Shabiya Jahan

Business Solutions Manager

Shabiya is responsible for the strategic planning, implementation and operation of Harrison Grierson's IT systems network, infrastructure, technical & operational software providing clients and staff with industry-leading business solutions. Shabiya supports the business with a focus on operational excellence, and is also responsible for the governance, maintenance and implementation of security best practice.

Shabiya began her career as a secondary school teacher with a degree from University of the South Pacific before moving to New Zealand. A career change saw her gain a computer science degree and move into the IT industry. This blend of qualifications gives Shabiya a unique skill-set to work with people to understand their needs and easily communicate technical solutions.

Shabiya is a Chartered IT Engineer, a certified Technologist on the NZ board of IT Professionals and she's also a certified Microsoft Engineer.

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Kat Salm

Head of Digital (Acting)

Kat Salm

Head of Digital (Acting)

Highly regarded in the spatial industry across New Zealand and Australia, Kat is currently the President of Survey and Spatial NZ.

Kat has extensive experience in digital business review, solutions and strategy development across local and central government, the private sector and tertiary organisations.

Her specialist areas include geospatial information and technology, digital twin and smart cities advisory, capability development, design thinking, strategy and roadmap development, digital delivery, visualisation, and spatial asset information management.

As part of our Digital Leadership Team, Kat assists with identifying digital opportunities for our urban development clients. She also leads client relationships and business development for digital, strategic partnerships.

Kat has a PhD from the University of Canterbury and is based in our Christchurch office.

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Sam Mayston

Structural Manager

Sam Mayston

Structural Manager

Sam’s in-depth knowledge of the Auckland construction market includes industry contacts and experience in a wide range of projects.

A Chartered Structural Engineer since 2012, Sam’s also an Auckland Council Producer Statement Author since 2015.

With more than 15 years’ experience across NZ, the UK and Dubai, Sam’s undertaken technical design of complex projects with strong leadership and project management skills.

He was the Delivery Lead for the structural and geotechnical design for several key projects at the Unitec Institute of Technology; Delivery Lead for several projects including a large aircraft hangar at MOTAT and lead engineer and project manager for the structural strengthening works and refurbishment of the Halsey St 27-apartment block above commercial units.

Sam’s key areas of areas of expertise include: technical design and project leadership; Building Consents, Code compliance and CPEng signoff; project risks and solutions. He also builds strong client relationships

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Jan Franta

Transportation Lead

Jan Franta

Transportation Lead

Jan’s a Chartered Professional Engineer with over 14 years’ experience in transportation, land development, civil and renewable energy projects in NZ, the UK, EU and the Middle East.

His combined in-depth transportation engineering and civil design skills means he approaches projects holistically. He can think outside the box, developing new solutions to challenging problems, actively engaging the right people and the right resources at the right time.

Jan’s transportation experience includes development planning, transport planning, traffic engineering and designing initial concepts and assessments to detailed design.

This means he understands and applies transport planning policies and design codes and has prepared detailed designs for roads, cycling and public transport infrastructure, intersections and roundabouts.

Jan’s qualifications include a MSc(Eng) and CPEng. He is a member of Engineering NZ and is based in our Parnell office.

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Campbell McGregor

National Land Development Manager

Campbell McGregor

National Land Development Manager

Campbell is a Chartered Civil Engineer with more than 20 years’ experience in site development and design management.

He’s worked in New Zealand, Australia, the United Kingdom and Asia on a range of engineering projects from concept design to construction. His general civil infrastructure experience is complemented with sound strategic and commercial acumen.

Campbell is recognised as a leader in residential and infrastructure development and regularly provides technical expert evidence at Council Hearings and Environment Court processes in matters associated with earthworks, stormwater and wastewater.

Campbell holds a PGDipBus (Admin), a MEngSt (hon) and a BSurv. Campbell is also an Engineering NZ Chartered member (CMEngNZ), as well as a member of Water NZ, Urban Development Institute New Zealand (UDINZ) and the Institute of Directors (IoD). Campbell's exceptional performance as a senior manager is reflected in his appointment to the Harrison Grierson Board.

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Roger Collins Woolcock

Independent Director

Roger Collins Woolcock

Independent Director

Roger is a Fellow of the Institution of Engineers Australia and has worked in professional services for over 35 years.

He worked for global engineering and environmental consulting firm Cardno for 25 years where he was General Manager of Australia and New Zealand.

For the past 7 years, Roger has run his own company providing training, strategy, business development and M&A services to small to mid tier professional services firms across Australia and New Zealand.

Roger is a Non-Executive Director of mining engineering consultancy ATC Williams and social enterprise World Wellness Group. He is Advisory Board Chair of process control, cyber security and digital specialist consulting firm ATSYS. Close

Sam Sarah

Technical Manager - Land Development

Sam Sarah

Technical Manager - Land Development

Sam’s considerable technical expertise ensures we can successfully deliver our land development projects with high levels of client satisfaction.

A Chartered Professional Engineer for 26 years, Sam takes an analytical approach to each project, using critical thinking skills to resolve complex civil engineering issues, identify and communicate project issues and risks, and prepare fee proposals and tenders.

Sam has in-depth knowledge of relevant legislation such as the PAUP, Development Consents, Resource Management Act, the New Zealand and Australian Building Code, various by-laws, and town planning regulations.

Based in our Parnell office, Sam builds strong relationships with clients, business partners, and stakeholders. When he’s not working, Sam plays football, runs, and enjoys travelling.

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Suzanne Lange

Technical Lead - Landscape Architecture, Urban Design

Suzanne Lange

Technical Lead - Landscape Architecture, Urban Design

Suzanne describes herself as a ‘design thinker’ and says that a landscape architect views the world through a different lens, designing spaces for people and nature. Her extensive experience and diverse portfolio include managing design teams to realise high quality projects in master planning, public realm, and infrastructure projects. This includes private sector work on major commercial projects in Aotearoa New Zealand, Australia, and the United Kingdom.

Suzanne is based in our Parnell office.

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