Board of Directors

Jacqui Walters


​Jacqui is an experienced Senior Executive and non-executive Director who has worked across many industries including transport, infrastructure and professional services.
She has a strong international track record in establishing new businesses and organisational reform and transformation.
Jacqui’s roles include Partner at Era Innovation, a Director of Slater & Gordon, Director of Development Victoria and Chair of the Citytrain Response Unit. Jacqui is also on the Queensland Advisory Committee for the not-for-profit organisation, Second Bite.

Ivor Frischknecht

Non-Executive Director

Ivor is an expert and innovator in the rapidly evolving energy industry. He served as inaugural Chief Executive Officer (CEO) of the Australian Renewable Energy Agency (ARENA) and oversaw its $2.1 billion portfolio for 6 years, during which time it invested in more than 300 clean energy projects.
Previously, he was responsible for clean technology investments at venture capital firm Starfish Ventures and was CEO and investor in the clean tech sector in Silicon Valley.
He serves on the Board of C4NET and is an advisory board member for Elliot Green Power Ltd and RACE for 2030 CRC. Ivor is also an advisor to the Victorian Government in relation to the energy transition.

Tracy Dare

Non-Executive Director

Tracy is a Chartered Accountant and a former Partner of KPMG, following which she led the Corporate Banking team at Suncorp before moving into various senior commercial executive roles.
She is an experienced non-executive director with a particular focus on strategy, governance, business growth commercialisation and performance, risk and financial management.
Tracy has served on various government, commercial and industry bodies for more than 20 years including as a former Director on the CS Energy Board. She is currently a Director and Chair of the Audit and Risk Committee of environmental services company, HRL Holdings Ltd and a Director of the Greater Springfield Community Club Limited.

Paul Venus

Non-Executive Director

Paul is the Queensland Managing Partner of national law firm, Holding Redlich, also serving as a member of the board for over a decade.
He brings over 25 years’ experience in governance and risk management, litigation and commercial law advice.
Paul acts for corporations and governments and specialises in competition and consumer law issues, commercial law and privacy law. He is a Queensland Law Society Accredited Specialist in Commercial Litigation and a highly experienced mediator.
Paul has also been a Director of Metro South Hospital and Health Service and served as a member of that bodies’ Executive, Audit, Risk and Finance committee. Additionally, Paul served as a Director of the Princess Alexandria Research Foundation and as Chair of the City of Logan Mayor’s Charity Trust.

Laurene Hull

Non-Executive Director

Laurene has a long career as a lawyer and is a passionate long-term resident of North Queensland. She has extensive legal and policy experience in the areas of employment and training, workplace relations, and workplace health and safety.
Laurene’s commitment to the environment has seen her serve as an Environmental Defender’s Office lawyer, championing issues of sustainability and growth. Serving for over five years as Executive Director of Worksafe, Northern Territory, Laurene is committed to safe employment, especially in trades.
Laurene has had a long community involvement including serving on various boards and committees for organisations as diverse as the Douglas shire Sustainability Group, Safe Work Australia, the Community and Public Service Union and the NT Working Womens Centre.

Leadership Team

Maia Schweizer

Chief Executive Officer

Maia was appointed CleanCo’s inaugural permanent CEO in September 2019. She has extensive global experience in the
energy and infrastructure industries, including as a management consultant in McKinsey & Company’s London, Houston,
Shanghai and Sydney offices. Most recently Maia held general management roles in the gas and retail businesses of Origin

Sally Frazer

Company Secretary, Legal and Governance

Sally has a strong legal and governance background with extensive experience in the private and public sectors.
She has held leadership roles with NSW Government, SunWater, LinkWater Projects and most recently as General Counsel and Company Secretary for SEQwater.

Julie Whitcombe

Strategy and Development

Julie has a wealth of experience in strategy and operational leadership roles across a range of industries. Recent career experience includes eight years as an executive with Australian gas developer and producer Senex Energy, as well as two years as CEO of RDO Australia, the Australian arm of the world’s largest John Deere and Vermeer dealership business. Julie studied engineering and is also a Chartered Accountant, having spent her early career working in strategy and advisory services with PwC and AT Kearney in Australia and the UK.

Tanya Mills

Customer and Energy Markets

Tanya is an electricity markets specialist with extensive experience in energy trading, energy market restructures, corporate
strategy and industry reforms. She held an executive management role in Energy Markets and Commercial Strategy at
Stanwell and was a founding member of the CleanCo executive team.

Graham Yerbury

Chief Finance Officer

Graham has extensive experience in managing risk-related functions and operating in a commercial environment. He has held
a range of senior management roles across the mining and energy sector, with organisations including Cardno, Arrow Energy
and BP.

Tim Hogan

Asset Operations

Tim is experienced in both operations and asset management, bringing more than 20 years of engineering and operational experience from across a large portfolio of energy generation assets. Tim is deeply committed to our values, loves problem solving, and has a vision for CleanCo’s current and future assets.

Natasha Patterson


Natasha’s strength lies in finding the common ground where stakeholder interests seem to diverge. She has extensive experience in the energy sector, including general management and Head of Legal roles in Origin Energy’s upstream business. Natasha joined CleanCo from management consultancy Integrated Global Partners, having previously held senior roles in the Queensland Government.