The Opportunity
Bringing our DAC product to market
SGG’s DAC module is undergoing performance testing and is approaching readiness for productisation and mass manufacture.
Our Story
Managing Director and Founder of Southern Green Gas, Rohan Gillespie, identified a gap in energy processes and developed technology to cultivate the use of carbon in a positive light. Southern Green Gas is now managed by a team of Technical Founders and a Board of Directors with many years of experience leading energy and business endeavours.
Southern Green Gas has proven experience creating and leading renewable energy projects with national organisations. We were a finalist in XPRIZE Carbon Removal Milestone Award.
Our Team
Rohan Gillespie
Managing Director
Rohan has 35 years experience in the resources and energy sector in Australia including senior roles with engineering and business development with BHP, corporate finance with the Commonwealth Bank and corporate development with start-ups Ceramic Fuel Cells and Renewable Energy Corp.
Since 2006, Rohan has been founder and managing director of Energy Infrastructure and Resources, a corporate advisor and incubator of start-up ventures. This has included ASX-listed companies Red Sky Energy and Regal Resources, as well as solar developer Soleir, gas-to-liquids developer Pacific GTL and mining investment group Resource Venture Fund.
Rohan has a Bachelor’s Degree in Civil Engineering and an MBA from the University of Queensland.
Andrew Hynson
Manufacturing Advisor
Andrew has 35 years experience in the manufacturing and product development sector both globally and in Australia. As a Chief Engineer at General Motors he led the development of the world’s first fully virtual vehicle program – the Holden Monaro. The program was delivered in half the standard time and less than a quarter of the standard cost.
Since 2018, Andrew has been founder and CEO of plastic resource recovery start-up Cornerstone Earth. His start-up is developing a network of Artificial Intelligence powered plastic sorting and processing machines. Andrew is also consulting on a number of distributed product technologies in the energy sector.
Andrew has an honours degree in Mechanical Engineering from the University of Melbourne.
Prof. Deanna D’Alessandro
Scientific Advisor
Deanna has over 16 years of experience in post-doctoral research and academia, with leading universities across Australia and United States. Currently, a Professor of Chemistry at the University of Sydney, Deanna provides extensive research knowledge and experience to captivate and advance Southern Green Gas’ technology.
Over the past decade, Deanna has built a world-class research team at the University of Sydney which is recognised internationally for the quality and impact of research in fundamental aspects of electron transfer and MOFs. A common theme of her research has been a desire to tackle significant scientific and societal challenges by probing fundamental chemical questions.
Deanna has a Bachelor’s Degree in Science and PhD from James Cook University.
Brett Cooper
Brett Cooper has been involved in infrastructure development for over 30 years, including consulting on Renewable Hydrogen projects since 2008. From 2015 Brett has also worked on the potential to deploy DAC technology in Australia.
Philip Jackson
With over 19 years of experience in Project and Risk Management, Philip is General Manager for Development for Southern Green Gas.
Tim Bray
Bringing a long career in automotive mechanics, Tim undertakes key prototyping for SGG.




