Simon was Deputy Chief Minister and Minister for the Environment and Climate Change of the Australian Capital Territory in 2008-2016 and has two decades of senior experience in public policy leadership, governance and implementation. His advocacy for a strong climate change policy for Canberra saw the ACT achieve national and international recognition as a best-practice jurisdiction, on track for 100% renewable energy by 2020.
He is widely recognised as a leader in the areas of renewable energy, climate change mitigation and adaptation, urban sustainability and public transport. Simon is an Adjunct Professor at the University of Canberra, and Honorary Associate Professor at the ANU. He was also an adviser to the Victorian Government in his role as the Victorian Renewable Energy Advocate, and a Patron of the Smart Energy Council.