Our Team

Phil is the Founder of GreenSync and was CEO of the company for 10 years. Phil remains a key part of GreenSync in a Non-Executive capacity, as a board member, senior advisor and ambassador of GreenSync. Phil is forgeding new paths to energy management in Australia through cloud analytics, grid-edge technologies and network optimisation. 

With over 15 years’ experience commercialising new technology in global markets, Phil has been the lead technologist at five start-ups in the UK and Australia, including multimedia, cryptography, and smart buildings.

Starting his career as an aerospace engineer and professional pilot, Phil followed his passion for advanced technology and research into machine learning and artificial intelligence. He moved into energy to counter the looming threat of climate change and is now focused on reinventing the energy system to build a better future. Phil continues to play a key role in the governance of GreenSync as a member of the board. He is an active contributor to discussions about the future of global energy markets, and has held academic posts at the Max Planck Institute in Berlin and the University of Sydney, where he obtained his PhD.

Mark was appointed to lead GreenSync as Executive Chairman in April 2020. Mark has been a leader in the development and financing of renewable energy and clean technologies for nearly 25 years.  He founded and led two specialist investment banking firms focused on the low carbon economy: Impax Capital (1994) and Climate Change Capital (2002).

He has been the adviser, investor or principal in over 90 cleantech transactions with total capital deployed of over US $4.5 billion.  Mark has an MBA (Dean’s List) from Cranfield University and was an officer in the British Army. He currently also serves on the board of Carnegie Clean Energy (ASX: CCE) and Future Super Investments.

Mark is a passionate venture capital investor, active board member and experienced business builder, with extensive global networks. As Managing Director at Southern Cross Venture Partners and Renewable Energy Venture Capital, Mark is responsible for evaluating potential investments in renewable energy companies.

With considerable start-up management experience in the United Kingdom, including as the CEO at Applied Thermal Control Ltd., he began his career at Applied Materials Inc. based in Silicon Valley and subsequently held senior executive positions within several private equity backed companies. He has served on the Boards of several growing technology companies. Mark holds a BSc in applied physics and a PhD in materials science from Heriot-Watt University in Edinburgh. He is a graduate of the Australian Institute of Company Directors.

Ben Gust leads the Clean Energy Innovation Fund at the Clean Energy Finance Corporation (CEFC). He is responsible for managing the CEFC’s portfolio of investments in innovative, fast growth businesses with the ability to make a significant contribution to the growth of the clean energy sector. Before joining the CEFC Ben was a Managing Director of GBS Venture Partners, one of Australia’s leading life-science Venture Capital firms where he worked for 15 years and remains a Director.  Ben holds a Victorian legal practicing certificate, earned his Bachelor of Law and Bachelor of Science degrees from Monash University and has a Graduate Diploma in Applied Finance and Investment.  He has held a number of Australian and US board roles with innovative technology companies such as Hatchtech Pty Ltd, Spinifex Inc, Ivantis Inc. and many others.

John is an experienced private equity and venture capital investor and hands-on Chairman / Director. He has a proven investment and business development track record across a wide range of industries and situations. This includes IPOs, public markets, acquisitions, debt and equity fundraising, start ups, corporate reorganisation, debt restructuring and management team development and change. John worked for UK investor 3i and international investment bank Rothschild where he was principal lead in over 30 LBO and development capital transactions in the UK, USA, SE Asia, Australia and New Zealand. He has direct executive experience in over 100 private equity transactions and has driven many companies through the investment cycle to exit.  John originally trained as an engineer with Jaguar Cars, and has a Masters Degree in Engineering and Management from Birmingham University.