Our Executive Team Our Executive Team



Darren Barlow BCom, MBA (Adv), FCPA, FAICD, Dip Fin Serv, MAIPIO, SA Fin

Chief Executive Officer

Darren joined GAWB as Chief Executive Officer in March 2018. Darren has extensive management experience, having held senior roles in commercial, financial, strategic and business transformation areas across the public and private sectors. Darren was previously the Chief Executive Officer of the Residential Tenancies Authority, held a range of senior executive positions at Aurizon, was director at the Master Builders Association of Queensland and General Manager of Strategic Relations at Ergon Energy.



Hugh Barbour CPA, BBus (Acct)

Chief Financial Officer

Hugh 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. Hugh 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.


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.



Catherine Byers BBus (HR)

General Manager- People & Culture

Catherine joined GAWB in June 2018, bringing with her a proven track record and extensive experience in human resource management, industrial relations, and organisational development, applied across both the public sector and Government Owned Corporation evironments. Catherine's pragmatic approach is complimentary to her twenty years of experience working at an operational and strategic level. 

Greg Clarke PMP, CPPM, MAIPM, GradCertProjProgMgt

General Manager - Capital

Greg commenced with GAWB in May 2019. Greg has extensive experience in all aspects of project, program and portfolio management having held roles in civil construction, building, design and information technology projects across a range of sectors including engineering, environment, government, aviation and technology. Greg has a strong track record of leading multi-disciplinary teams to successful project delivery ensuring adherence to safety and quality. 

Sashie Naidoo BCom, Dip Proj Mgt Cert Piping Design, GAICD

General Manager - Network

Sashie joined GAWB in July 2020. Sashie is a professional business manager and piping infrastructure specialist with extensive experience leading businesses in the gloabl oil and gas, power generation, water and energy utility sectors. Sashie has held senior roles in operations, construction, project management and asset management. His prior roles include General Manager, Pipe Support Technologies; General Manager QLD Networks, APA Group and Managing Director for TD Williams Australia.