Board of Directors

Jacqui Walters


An experienced Senior Executive and non-executive Director with a strategy and growth focus, Jacqui has held leadership roles in the transport, infrastructure and professional services sectors. She is a Director of Slater & Gordon, Development Victoria and Pathways to Resilience, and a member of the Queensland Advisory Committee of not-for-profit organisation, Second Bite. She is a founder and partner of Era Innovation with a focus on investing in and supporting entrepreneurs in the food and agriculture sectors. Jacqui has a Bachelor of Commerce, is an AICD graduate, held a CPA qualification for 12 years, is a trustee of CEDA and a SheEO activator. She brings strong international experience in business establishment and performance to her role as CleanCo Chair. 

Ivor Frischknecht

Non-Executive Director

Ivor was inaugural CEO of the Australian Renewable Energy Agency overseeing a $2.1 billion portfolio and more than 350 new clean energy investments. He has international experience in the clean technology sector in Silicon Valley and led cleantech investing at Melbourne venture capital firm Starfish Ventures. Ivor is an advisory board member for Elliot Green Power and Kilara Capital, Chair of the Victorian Industry and Consumer Reference Group for the $1.3 billion Solar Homes Program and is on the Board of RACE for 2030 CRC. He has degrees in Economics and Law, an MBA and Public Management Certificate and is an AICD graduate.

Paul Venus

Non-Executive Director

Bringing expertise as a practising lawyer and Queensland Managing Partner of national law firm Holding Redlich, Paul has over 25 years’ experience in governance and risk management, litigation and commercial law advice across different sectors. A former Director of Metro South Hospital and Health Service, Paul has also served as a Director of the PA Hospital Research Foundation and is currently the Chair of the City of Logan Mayor’s Charity Trust. He has a Bachelor of Commerce and a Bachelor of Laws, a Masters of Laws, and a Certificate of Arbitration and Mediation.

Laurene Hull

Non-Executive Director

With a legal and policy background, Laurene brings extensive experience in industrial relations, workplace health and safety and environment, and employment, skills and training, including from roles with Telstra and as Executive Director and Electrical Safety Regulator of WorkSafe NT. A long-term resident of North Australia and currently based in Far North Queensland, she brings a particular understanding of regional and remote communities and her commitment to the environment has seen her serve as a lawyer with the Environmental Defender’s Office. Laurene has served on the Boards of Safe Work Australia, the Community and Public Service Union and the Working Women’s Centre. She has a Bachelor of Laws (Hons), a Diploma in OHS and qualifications in Assessment and Training and Mediation.

Leadership Team

Darryl Rowell

Interim Chief Executive Officer*

An executive who brings experience from both the public and private sectors, Darryl has held senior roles in Australia and New Zealand including across the energy sector. He joined CleanCo as interim CEO in November 2021 from his role as Chief Financial Officer at Powerlink where he manages all finance, tax, treasury, investment analysis, contract management, internal audit, insurance, network regulation, and legal, business and risk services. He is also Powerlink’s Company Secretary. Prior to joining Powerlink, Darryl was Chief Financial Officer at Queensland Urban Utilities. He has a Bachelor of Commerce and an MBA from the Victoria University of Wellington New Zealand.

* Replaced Maia Schweizer from 15/11/21

Sally Frazer

Company Secretary, Legal and Governance

Sally is an experienced lawyer and governance professional whose work in the private and public sectors has focussed on environment, planning and property law, good governance practice, policy design and law reform, litigation, resources management, and major  infrastructure projects. She was a Board Director of North Queensland Bulk Ports Corporation and is currently a State Councillor at the Governance Institute of Australia. Sally holds Bachelors of Arts and Laws (Hons), Masters of Laws, Masters of Business Administration, and is a graduate of the AICD and GIA.  

Julie Whitcombe

Strategy and Development

Julie has a wealth of experience in strategy and operational leadership roles across a range of industries. 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. Ms Whitcombe 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.

Rimu Nelson

Customer and Energy Markets (Acting)**

With a background in economics, Rimu is an experienced energy policy expert who has worked as a Director in the energy sphere for Queensland Treasury and as Principal Analyst for the Queensland Competition Authority.  Rimu’s focus is on effecting change in the energy sector for the long term benefit of customers.  He is responsible for guiding CleanCo’s customer and market-facing functions, including working with large energy users to develop bespoke long-term, low-emissions energy solutions that meet individual customers’ pricing and sustainability requirements.

**Replaced Tanya Mills from 30/08/2021

Brian Carrick

Chief Finance Officer (Interim)***

Brian comes to CleanCo with wide-ranging experience in finance, most recently as an Executive Director with the Queensland Treasury Corporation, where he provided advice to the Queensland Government and its Government Owned Corporations on funding, capital structuring, financial performance and structural reform. Prior to QTC, Brian worked in corporate finance and corporate taxation with PwC and KPMG, and he holds qualifications in business and law.

***Replaced Graham Yerbury from 20/09/21

Tim Hogan

Asset Operations

A senior Electrical Engineer by background, Tim has wide-ranging experience in both operations and asset management including in the renewable energy sector. He brings more than 20 years of expertise across different types of energy generation assets. Based in Cairns and from North Queensland, Tim previously led Engineering and Operations teams for Stanwell Corporation as their Manager for Hydro’s and Renewables. Starting his career as an electrical apprentice Mr Hogan went on to earn a Bachelor of Engineering majoring in Electrical and Electronic Engineering (Hons).