Simone Rennie serves as the Co-Chief Executive Officer of Rennie, an Australian multi-disciplinary advisory firm since May 2021, where the focus is on strategic decision-making, regulatory changes, ESG strategy, and transitions to a sustainable future. Previously, Rennie held key roles including Manager of Energy Market Regulation at the Australian Energy Market Operator from June 2019 to May 2021, and various leadership positions at EY from July 2013 to July 2019, specializing in Global Transactions within the Power & Utilities sector. Additional experience includes serving as Director of Strategic Planning and Performance for the Queensland Department of Energy and Water Supply, and Executive Officer at the Queensland Water Commission. Early career highlights include Head of Governance at the London Development Agency and multiple roles within the Queensland Government, focusing on legal and policy analysis. Education includes a Certificate in Business and Climate Change from the University of Cambridge, a Master's in Corporate Governance from London South Bank University, and a Bachelor's in Law and Business from Southern Cross University.