Our Executive Team Our Executive Team



Jim Grayson LLB, LLM, ACIS, PGradDipComm

Chief Executive Officer

Mr Grayson joined GAWB in 2003 and has been its Chief Executive Officer since early 2006. Prior to joining GAWB, Jim worked as a Solicitor in private legal practice and with the Australian Securities and Investments Commission. Mr Grayson is a Fellow of the Financial Services Institute of Australia. He served on the Board of the Gladstone Economic Industry Development Board from 2006 to 2012 and as a member of the advisory Board of the University of Central Queensland – Centre for Environmental Management. He is presently a Director of Water Services Association of Australia (which is the peak industry body for the Australian Urban Water Industry), is the Chair of the AWA Water Management Law and Policy Specialist Network committee and a member of the advisory panel for the Gas Industry Social and Environmental Alliance.



Hugh Barbour CPA, BBus (Acct)

Chief Financial Officer

Mr Barbour was appointed Chief Financial Officer in March 2016 and has extensive experience in all aspects of financial management, contract management and negotiation in the mining and energy industries. As a former GM of Finance, he understands the importance of strong financial governance. Mr Barbour has led multi-disciplinary teams in the performance review of significant assets as well as conducting audits and evaluations of acquisitions and asset improvements. He is responsible for the management of the Finance, Planning/Regulatory, Legal, Risk/Compliance Procurement and Human Resource departments.


Terry Ward BEng (Civil), GradDipMgt, MEng (Water & Environment), RPEQ, MIE Aust, CPEng

Chief Engineer

Mr Ward joined GAWB in March 2011. He has fifteen years prior experience as a consulting engineer on planning and design of water-related and civil infrastructure projects for industry, mines, and local government throughout Central Queensland, and seven years experience on water resource management and irrigation projects for the Queensland Government.  Terry is responsible for setting of engineering and information system standards, development of technologies for future improvement in these areas.



John Tumbers GradDipMainMgt

Chief Operating Officer

Mr Tumbers joined GAWB in February 2013. He leads the Operations & Maintenance and Capital Projects Teams accountable for water quality, treatment plant operations, asset management activities, delivery of capital works, land administration, catchment management and disaster management coordination.  Mr Tumbers has a career background in maintenance in the power generation and resource sectors in NSW, SA, Qld and WA. Prior to joining GAWB, he was Maintenance Manager for the Port Hedland Port Authority, which operates a major bulk export port in Western Australia.


Robin Berthelsen LLB (Hons)

Corporate Secretary

Robin was appointed to the position of Corporate Secretary in February 2017. Prior to her commencement with GAWB Robin held the position of managing partner with a Central Queensland law firm. Having worked in the legal industry for over 15 years, Robin brings extensive legal and managerial experience to the role. In addition to providing support to the Board of Directors, Robin will also provide legal assistance and advisory services to GAWB.