David Wheeley

Chief Executive Officer

For the past 20 years, Mr Wheeley has successfully led both corporate and private waste management, manufacturing and distribution businesses. Most recently he was General Manager of Cleanaway Waste Management’s Solid Waste Services. He has also held a range of leadership roles as Chief Executive Officer at Hynds, Managing Director at Hygrade Water, and Executive General Manager at Holcim. David has deep experience in Industrial and manufacturing sectors and is a corporate strategic specialist with strong leadership skills.

Gary Foster

Gary Foster

Co-Founder Head of Commercial Markets

Mr Foster has a demonstrated entrepreneurial work history covering commodities trading, financial services, cybersecurity, agriculture and environmental industries. Mr Foster was a former CEO of an international commodities trading company, and has held Chairmanship positions for both private and publicly listed entities.
Mr Foster is a Founder of Pearl Global and with both national and international expansion plans identified, Mr Foster has moved to the role of Head of Commercial Markets.

Mr. Andrew Cook

Chief Financial Officer

Mr Cook is a Chartered Accountant and has broad experience across the manufacturing, utilities and professional services sectors both internationally and in Australia. Mr. Cook has held a range of senior finance, commercial and transformation positions at Energy Queensland, Origin Energy Limited, SABmiller Limited and PwC.


Michael Barry

Non Executive Chairman

Mr. Barry’s executive career included 10 years in senior  executive roles at Boral Limited, including Regional General  Manager for the Western Australian and South Australian  Construction Materials operations. Most recently Mr Barry  was CEO of MSF Sugar Limited for 13 years up until 2020

Lindsay Barber

Non-Executive Director

Lindsay has deep experience in all facets of the construction industry. He commenced his career in 1984 with Jennings Industries. Lindsay joined Johns Lyng Group as General Manger in 2005 transitioning to Chief Operating Officer in 2010. Lindsay led the Johns Lyng Group to IPO successfully floating on the ASX in 2017 raising $100million on a $220million market capitalisation. Post listing more than 15 acquisitions have been completed, the most recent being a USA company for AU$200million lead by JP Morgan and Moelis Australia.

Brad Mytton

Brad Mytton

Non-Executive Director

Mr Mytton is a Partner at ROC, with deep experience in  clean energy technology, governance and corporate  finance. Brad has been influential in assisting the Board  for its future planning and growth. He holds an MBA  from University of Oxford, and a B.Com (hons) in  Management Science from the University of Canterbury.

Brian Mumme

Non-Executive Director

Mr Mumme is a senior executive with over 30 years of national and international experience in commodities (oil, gas, agriculture), with a focus on marketing, trading, risk management and optimising supply chains. Prior to establishing his own consulting business, Mr Mumme was seconded from BP Australia into the role of President for the North West Shelf Gas Joint Venture for six years in a career of over 20 years with BP.

Michael Barrett

Non-Executive Director

Mr Barrett is a Chartered Accountant with over 27 years of international experience in finance, strategy and corporate development, capital markets and risk management. Mr Barrett also has extensive experience working in the energy and resources industry. More specifically, Mr Barrett was previously Chief Financial Officer for Rio Tinto’s US energy business.