Find out about our board members here.

Mr David LockBoard of Directors - Mr David Lock

Chairman (Acting)

 Mr David Lock is the Chairman of Australian Pork Limited, the Western Australia Meat Industry Authority, Mareterram Limited and Odeum Produce Pty Limited. He is a non-executive director of CBH Group. He is a Trustee of the Marine Stewardship Council and is a member of the Advisory Council of the Curtin Business School. Mr Lock held Managing Director roles in public and private Australian food and agribusiness companies since 2004, prior to taking on a portfolio career in December 2017. He also held managerial positions with PriceWaterhouseCoopers in Australia, Canada and the UK. In 2012, he was named NAB Agribusiness Leader of the Year and in 2013 he won the Australian Export Heroes Award. Mr Lock brings significant finance skills to the board, as well as a deep understanding of the Australian agribusiness industry. He was previously Chairman of the Food Industry Association of Western Australia and a director of Food, Fibre and Land International Pty Limited.

Appointed 1 January 2014, appointed Deputy Chairman 1 January 2017, term expires 31 December 2020.

Chair: Audit and Risk Committee.

Member: People and Culture Committee.


Mr Pat DonovanBoard of Directors - Mr Pat Donovan

Chief Executive Officer
Bachelor of Engineering (BA BAI) Mechanical Engineering (Trinity College, Dublin), FIEAust, GAICD

 Mr Donovan was appointed CEO in January 2019 and comes to the Water Corporation with more than 25 years’ experience in the gas utility sector in Australia and Ireland. He was previously President of ATCO Gas Australia where he led the business in the delivery of safe, reliable and affordable energy to over 750,000 customers across the south west of Western Australia and previously held senior executive roles at ATCO and Alinta.

Mr Donovan has qualifications in engineering and finance, and has also completed an Ivey Business Executive Program at Western University in Canada. He has a proven track record of leading customer focussed business strategies and achieving sustained commercial success and business growth. He is a passionate proponent of delivering service and operational excellence at a sustainable cost to customers and the community. He is a Director of the Water Services Association of Australia (WSAA).

Appointed 1 January 2019, term expires December 2024. 

Ms Nicole LockwoodBoard of Directors - Ms Nicole Lockwood

LLB, BBus Environ, GAICD 

Nicole is the Independent Chair of the Westport Taskforce charged with planning the infrastructure to drive the freight future of WA’s South West for the next 50-100 years. She is the Chair of the Freight and Logistics Council and a member of the Boards of the Water Corporation and Infrastructure Australia. She Chairs MNG Surveying and the Sienna Wood JV and is the Deputy Chair of Leadership WA. With a background in law and regional economic development, Nicole works with Government and the private sector to develop long-term infrastructure plans to secure the future prosperity and livability of our cities.

Appointed 1 March 2016, term expires 31 December 2020.

Member: Audit and Risk Committee and People and Culture Committee.

Mrs Gningala Yarran-MarkBoard of Directors - Mrs Gningala Yarran-Mark


 Gningala Yarran-Mark is an experienced Board Director, focused on education and Aboriginal health governance. Following an early legal career she moved into commercial roles in large engineering and contracting firms, as the leader of Aboriginal engagement, coordination and liaison with BHP Iron Ore (Port Hedland); Sinclair Knight Merz working on the Rio Tinto Expansion Project; Jacobs and currently United Group Ltd. Her current role with UGL of Aboriginal and Torres Strait Islander Co-Ordinator leads significant internal cultural, workforce and supply chain and procurement partnerships and external stakeholder relations which gave her exposure to native title and RAP execution. She has a deep understanding of diversity, cultural competencies, RAP execution. She is Aboriginal and Torres Strait Islander Co-ordinator, UGL, Executive Director, Fairbridge College and Chair, Aboriginal Family Law Service.

Appointed 12 November 2019, term expires 30 September 2022.

Member: Safety & People Committee

Mr Ross HoltBoard of Directors - Mr Ross Holt

B. Econs (Hons)

Mr Ross Holt has been an integral part of the WA State Government finance and development landscape for almost 40 years. Previously the Chief Executive Officer of the WA Land Authority (LandCorp), Mr Holt retired in 2014. He is currently the Deputy Chancellor of Murdoch University, Chair of Forest Products Commission, Chair of Nudge and part of the independent Panel advising government on SAPPR and provides strategic management consultancy services.

Appointed 8 June 2016, term expires 31 December 2021.

Member: Safety and Wellbeing Committee.

Dr Jemma GreenBoard of Directors - Dr Jemma Green

B Comm, (Finance), Murdoch, Post Cert (Cross Sector Partnership) Post Cert (Sustainability) Masters (Sustainability), Cambridge University, PhD (Disruptive Innovation), Curtin University, MAICD

Dr Jemma Green has extensive experience in finance, risk advisory and innovation, having worked for over a decade in investment banking in London. Her doctoral research focused on electricity market disruption that led to her cofounding Power Ledger, a blockchain technology company, which she is the Chairman. Dr Green is also an Advisory Board Member of Carbon Tracker.

Appointed 4 July 2017, term expires 31 December 2020.

Audit and Risk Committee and People and Culture Committee