Management and business

Andrew Macrides

Chair

Appointed 30 June 2026

An experienced executive, governance leader and tribunal member with more than 40 years’ experience across the public sector, corporate governance and regulatory environments, Andrew has previously served in senior leadership roles within our organisation.

Those roles include Company Secretary, Chief Financial Officer and Managing Director and, during his time with us, Andrew led major organisational reform and strategic infrastructure investment programs.

A Fellow of CPA Australia and the Australian Institute of Company Directors, Andrew has qualifications in accounting, business, management and corporate governance.

Andrew helped establish the Northern Territory Civil and Administrative Tribunal (NTCAT) and was appointed as a Senior Member in 2014. He brings extensive expertise in governance, strategy and public policy.

Guy Chalkley

Non-executive Director

Appointed 1 September 2026

A senior executive and Board director with more than 40 years’ financial, regulatory and operational experience across the energy, water and infrastructure sectors, Guy’s career spans listed, private equity and government organisations. He has expertise in business transformation, financial management, regulation, customer outcomes and organisational leadership.

Guy was Chief Executive Officer of Endeavour Energy and spent more than 8 years with Western Power, including 5 as Managing Director and Chief Executive Officer. He has held finance and regulatory roles with Veolia Water, Thames Water and other international organisations.

Guy has extensive Board experience and holds or has held non-executive roles with Energy Networks Australia, Energy Charter, Reactive Technologies, Frontier Energy and RAC WA. He is a Fellow of the Association of Chartered Certified Accountants, a Graduate Member of the Australian Institute of Company Directors, a Fellow of Leadership WA and a Fellow of the Association of Accounting Technicians.

Roland Chin AM

Non-executive Director

Appointed 1 September 2026

With more than 40 years’ experience across taxation, insolvency, business advisory, governance and risk management, Roland’s career spans a diverse range of sectors. They include government-owned entities, utilities, Indigenous organisations, education, health, aviation, construction, tourism and not-for-profit organisations.

Roland joined KPMG’s predecessor firm in Darwin in 1981 and was appointed Partner in 1995, a position he held until 2018. Since then, he has continued to practise as a Chartered Accountant and registered tax agent.

Roland has extensive governance experience and serves on several audit, risk and compliance committees, including with the City of Darwin, Charles Darwin University, Tiwi Land Council, Chung Wah Society Inc, Department of Corrections, Venture Housing Ltd, Zolchin Pty Ltd and HoYin Pty Ltd.

He holds a Bachelor of Commerce, is a Fellow of Chartered Accountants Australia and New Zealand and CPA Australia, a Chartered Tax Adviser and a Member of the Australian Institute of Company Directors. Roland was appointed a Member of the Order of Australia for significant service to the Northern Territory community.

Michael Hannon AM

Non-executive Director

Appointed 1 September 2026

As Chair of Hannon Group Pty Ltd, a family-owned company with its head office in Darwin, Michael has experience across a range of industries in the Northern Territory and interstate, including transportation, crocodile farming, property development and management, waste management and recycling, media and ICT services.

Under Michael’s leadership, Hannon Group is concentrating on commercial property development and management in the Northern Territory, interstate and overseas.

Michael has been involved in many Boards and committees, including previous roles on our Board, and is a director of Primary Resource Investment Pty Ltd. He is committed to the success of the Northern Territory while leaving a legacy for his family and future generations. He is a highly respected member of the Territory business community and was awarded a Member of the Order of Australia for his services to Territory business and the community.

Maree Lang

Chair

Appointed 1 September 2026

An executive and company director with more than 25 years’ experience across water, infrastructure, customer service, sustainability and organisational transformation, Maree was Managing Director of City West Water and the inaugural Managing Director of Greater Western Water. There, she led the integration of two major Victorian water corporations to form an organisation responsible for essential water and wastewater services to more than 1.4 million people.

Her executive experience includes large-scale infrastructure and capital delivery, asset-intensive operations, customer service, safety, digital transformation and working within complex government and regulatory environments.

Maree holds a portfolio of Board, governance and advisory roles across the utilities, infrastructure and community sectors, including being a director of MLG Consulting, a Vice-Chancellor’s Industry Fellow at Victoria University and an Independent External Member/Chair of Knox City Council Transformation Governance Committee. She is a Chartered Professional Engineer (CPEng).

Other qualifications include a Master of Business Administration, a Bachelor of Engineering (Chemical, Honours), and a Bachelor of Commerce. Maree is also a Member of the Australian Institute of Company Directors.

Steven Neave

Non-executive Director

Appointed 1 September 2026

A seasoned Board and executive leader with 30 years’ experience in the energy and infrastructure sectors, prior to joining our Board in September 2026, Steven held executive roles at AusNet Services and Powercor/CitiPower, providing governance and strategic oversight to Victoria’s major energy networks.

A Graduate of the Australian Institute of Company Directors, Steven holds a Master of Entrepreneurship and Innovation, and a Bachelor of Engineering (Elect), for which he received First Class Honours.

Steven is recognised for pioneering advanced asset management, delivering significant reliability improvements, his deep operational knowledge and ability to build high-performing teams.

Tim Nelson

Non-executive Director

Appointed 30 June 2026

A senior executive, Board director and energy economist with more than 20 years’ experience across electricity markets, utilities, infrastructure investment and national policy reform, Tim has extensive governance and leadership experience in capital-intensive, regulated sectors undergoing significant transformation.

Tim chaired the Australian Government-appointed National Electricity Market Review in 2024-25, leading an independent expert review of the long-term reform of Australia’s National Electricity Market. He has also served as a Board Director of Iberdrola Australia and the Powering Australian Renewables Fund. His executive experience includes 4 years as Executive General Manager Energy Markets at Iberdrola Australia and more than a decade as Chief Economist at AGL Energy.

Tim is an Associate Professor in Energy Economics at Griffith University. He holds a PhD in Economics and a Bachelor of Economics (Honours Class I), is a Fellow of the Governance Institute of Australia and a Graduate of the Australian Institute of Company Directors.

Kate Ryan

Non-executive Director

Appointed 1 September 2026

With more than 20 years’ experience in the Australian energy sector, Kate has held senior executive roles with the Queensland and Western Australia Governments, the former Independent Market Operator in WA and, most recently, as the Executive General Manager WA and Strategy with the Australian Energy Market Operator.

She has worked on designing, implementing and advising on policy and regulatory
arrangements and wholesale energy markets in the electricity and gas sectors. Kate has experience in all parts of the supply chain and has worked extensively with governments, utilities and energy market participants.

Kate has a Bachelor of Arts in Economics (Honours) and a Bachelor of Laws (LLB). She also has a Graduate Diploma in Applied Finance, a Graduate Certificate in Human Resource Management and is a Graduate of the Australian Institute of Company Directors. Kate is a Member of the Australian Institute of Energy and, until her appointment to the Power and Water Board, was Principal Director in KPMG’s energy infrastructure practice.