Our board

PICTURED, From left to right: Brendon Green, Frances Valintine, Margaret Devlin, Graham Darlow, Hinerangi Raumati-Tu’ua, Dave Chambers, Nicola Crauford, Rob Fisher.

Margaret Devlin



Margaret Devlin is a professional director with extensive experience in governance and executive management primarily in the water and infrastructure sectors in New Zealand and the United Kingdom. She has served as a director for a range of entities with a particular focus on audit and risk. Margaret is a Chartered Fellow of the Institute of Directors.

General disclosure of interests: Director and Chair, Lyttelton Port Company Limited; Director, Waikato Regional Airport; Director, Titanium Park (wholly owned subsidiary of Waikato Regional Airport); Director, Waimea Water Limited; Director, Aurora Energy; Director, IT Partners Group; Councillor, University of Waikato; Deputy Chair, WINTEC; Chair, Advisory Board Women in Infrastructure Network; Chair, Hospice Waikato; Chair, Infrastructure NZ; Chartered Fellow, Institute of Directors; Member, Institute of Directors, Waikato Branch Committee.

Hinerangi Raumati-Tu’ua


Chair of the Audit and Risk Committee (from March 2020)

Hinerangi Raumati-Tu’ua, who is of Ngāti Mutunga and Waikato descent, is a Fellow of Chartered Accountants Australia and New Zealand. She is also a Member of the New Zealand Order of Merit for services to business and Māori. Hinerangi has significant experience in investment, financial management, and governance. She was CFO of Tainui Group Holdings Limited from 2002 to 2009 and Executive Director Operations at Te Wānanga o Aotearoa from 2010 to 2014.

General disclosure of interests: Chair, Parininihi ki Waitotara Incorporated; Chair, Te Rere O Kāpuni Limited; Chair, Ngā Miro Trust; Chair, Ngā Kāi Tautoko Limited; Chair, Te Kiwai Mauī o Ngāruahine Limited; Trustee, PKW Trust; Director, Taranaki Iwi Holdings Management Limited; Chair, Aotearoa Fisheries Limited; Director, Sealord Group Limited; Director, Port Nicholson Fisheries GP Limited; Director, Te Pūia Tāpapa GP Limited; Chair, Tainui Group Holdings Limited; Executive Member, Te Whakakitenga o Waikato.

Julia Hoare**


Deputy Chair, Chair of Audit and Risk Committee (until March 2020)

Julia Hoare brings a comprehensive range of commercial, financial, tax, regulatory and sustainability expertise to Watercare which she developed over the course of 20 years as a partner with PwC. She retired from the PwC partnership on 31 December 2012 to pursue a full-time corporate governance career.

Julia is a fellow of the New Zealand Institute of Chartered Accountants and is the Vice President of the Institute of Directors’ National Council.

General disclosure of interests: Director, AWF Madison Group Limited; Deputy Chair, The a2 Milk Company Limited; Director, The a2 Milk Company (New Zealand) Limited; Director, Port of Tauranga Limited; Chair, Auckland Committee, Institute of Directors; Member, Advisory Panel to External Reporting Board; Vice President, Institute of Directors’ National Council; Director, Auckland International Airport Limited; Director, Meridian Energy Limited.

Nicola Crauford


Chair of the AMP and Major Capex Committee

Nicki has extensive governance and senior management experience in energy, water and telecommunications utilities. As a director she brings a combination of technical, commercial and strategic skills. She has a degree in chemical engineering from the University of Newcastle upon Tyne and a doctorate in applied science from the University of Southampton and has worked in the oil and gas, energy and banking sectors. As well as utilities her governance portfolio has spanned science research and development, fire and emergency management, and environmental protection and regulation. Nicki chairs the Electricity Authority and GNS Science and is a director of CentrePort and is a trustee of the Wellington Regional Stadium Trust. She is a Distinguished Fellow of Engineering New Zealand, and a Fellow of the Australian Institute of Company Directors and the Institute of Directors in New Zealand.

General disclosure of interests: Chair, GNS Science Limited; Chair, Electricity Authority; Director and Shareholder, Riposte Consulting Limited; Director, CentrePort Limited Group; Trustee, Wellington Regional Stadium Trust.

David Thomas**


David Thomas has over 35 years’ experience in the building industry, and has led key business units within Fletcher Building for the last 25 years. He is currently the General Manager of Winstone Wallboards Ltd. David was on the founding board of the South Auckland Crown Health Enterprise and represented Fletcher Challenge Ltd on the board of Māori Development Corporation.

General disclosure of interests: Chair, Ngāti Whakaue Tribal Lands Incorporated; Chair, Gypsum Board Manufacturers of Australasia; Shareholder/Employee – Fletcher Building Limited; Director, New Zealand Ceiling & Drywall Supplies Limited; Chair, Altus NZ Limited; Director, Winstone Wallboards Ltd.


** Julia Hoare and David Thomas finished their terms in October 2020 and February 2021 respectively.

Brendon Green


Chair of the Strategic Transformation Programme Committee and the Committee for Climate Action Committee

Brendon Green brings a career spanning 25 years in New Zealand and offshore, largely in the energy sector covering thermal generation, oil and gas exploration and renewables, notably wind and geothermal. Over recent years he has been involved in the decarbonisation of the transport sector by way of electric and hydrogen technologies. Brendon has worked with and within Māori organisations, which includes establishing partnerships and joint ventures around natural resources inclusive of water, energy, forestry and dairy.

His career includes technical and commercial leadership roles with Mercury, Contact Energy, General Electric (in Mexico and the USA) and the NZ Dairy Board. He is the founder of Kaitiaki Advisory Limited and holds a Bachelor of Chemical and Process Engineering and a Postgraduate Diploma in Dairy Science and Technology.

Brendon brings over a decade of governance experience inclusive of being a past Chair of Tainui Kawhia Incorporation and Tirohia Landfill Generation Joint Venture. He currently holds governance roles with Hiringa Energy Limited; Tainui Kawhia Incorporation; Te Whakakitenga o Waikato; Waikato District Council – Infrastructure Committee; Manukau Institute of Technology – Runanga; and government advisory panel Te Taumata Aronui (Tertiary Education Commission)

General disclosure of interests: Director, Kaitiaki Advisory Limited; Director, Tainui Kawhia Incorporation; Director, Hiringa Energy Limited; Director, Hiringa Refuelling Investments Limited; Executive Director, Advanced Biotech NZ Limited; Management contract, Tainui Kawhia Minerals; Australia- NZ Representative, Watstock LLC (USA); Representative of Waipapa Marae, Kawhia; Te Whakakitenga o Waikato Tainui; Runanga Manukau Institute of Technology, Te Whakakitenga o Waikato representative; Member, Waikato District Council – Infrastructure Committee; Advisor, Te Taumata Aronui – Ministry of Education; Adjunct Senior Fellow, University of Canterbury – Department of Chemical Engineering; Co-chair, Waikato Regional Skills Leadership Group; Member, Construction and Infrastructure Workforce Development Council.

Frances Valintine


Frances Valintine is a futurist and thought-leader in emerging and disruptive technologies with over 20 years’ experience across business, technology and education. The CEO and founder of The Mind Lab and the Tech Futures Lab, she is a Companion of the New Zealand Order of Merit for services to education and the technology sector.

In 2017, Frances won the New Zealand Flying Kiwi Award and was inducted into the New Zealand Hi-Tech Hall of Fame. She is a board member of The Mind Lab and trustee of Dilworth Trust Board, and a former board member of Education New Zealand, KEA and NZTech. She is also the Futures Advisor for the BNZ Bank.

General disclosure of interests: Director and CEO, The Mind Lab Limited; Director and CEO, Tech Futures Lab Limited; Director, Harcourt Jasper Limited; Director, Pointed Tangram Limited; Director, Harper Lilley Limited; Director, On Being Bold Limited; Director, Sandell Trustees Limited; Selection Advisor, Edmund Hillary Fellowship; Trustee, Dilworth Trust Board; Futures Advisor, BNZ Bank.

Dave Chambers

Chair of the People Committee/Te Tangata Komiti

Dave Chambers is a highly experienced business leader with a background in large-scale customer-centric organisations. He was Managing Director of Progressive Enterprises NZ and Director of Woolworths Supermarkets in Australia and has held various operations leadership roles. Previously he was a board member of the New Zealand Business and Parliament Trust.

General disclosure of interests: Director, Paper Plus New Zealand Limited; Director, Living Clean NZ Limited; Director, Turners & Growers Fresh Limited.

Graham Darlow


Graham Darlow is an independent director and advisor to the construction industry. He has extensive experience in the planning, consenting, design and construction of major infrastructure projects. His project governance experience includes the Waterview Tunnel, Te Papa Tongarewa, Māngere Wastewater Treatment Plant upgrade, Hobson Tunnel, Downtown Infrastructure Programme and many of New Zealand’s water, wastewater, transport, energy and marine projects.

Previously Graham was Chief Executive of Fletcher Construction, President of Engineering New Zealand, and Safeguard Safety Leader of the Year in 2016. He is a Distinguished Fellow of Engineering New Zealand, Fellow of the Institution of Civil Engineers, and a Member of the Institute of Directors.

General disclosure of interests: Business executive, Acciona Infrastructure NZ Limited; director and shareholder, Brockway Consulting Limited; chair, Frequency NZ Limited; director, Hick Bros. Civil Construction Limited; director, Hick Bros. Infrastructure Limited; chair, Holmes GP Structure Limited; director, Tainui Auckland Airport Hotel GP (No.2) Limited; director, Citycare Limited; director, Hick Bros. Heavy Haulage Limited; director, Hick Bros. Holdings Limited.

Rob Fisher


Company Secretary

Rob Fisher is a barrister who has specialised in resource management, public law and local government law. As a litigator, he appeared frequently before the Environment Court, the High Court and the Court of Appeal. In a 40-year legal career, he has provided advice and expertise to both private and public bodies, especially in the consenting of large infrastructure projects. Rob was the 2010 Barrister of the Year in the New Zealand Law Awards and was made an Officer of the New Zealand Order of Merit in the 2011 Queen’s Birthday Honours. He has been a board member of NZ Rugby, Sport New Zealand and Genesis Energy.