Simon is the former Chair of the Steering Group of ANZSOG’s National Regulator Community of Practice. Simon was appointed part-time commissioner of the Victorian Essential Services Commission in April 2019. His previous roles include senior executive positions government in the Victorian Department of Premier and Cabinet, the Department of Treasury and Finance, the Victorian Competition and Efficiency Commission, WorkSafe Victoria, and the Commonwealth Productivity Commission. From 2011 to 2018 he was the Director, Policy, Programs and Evaluation, Management Consulting at KPMG Australia. He has also been a consultant to the OECD in Mexico, and drafted the OECD guide on governance of regulators.