Simon Duggan PSM is the Secretary of the Department of Employment and Workplace Relations, starting his role on 16 February 2026.    Before starting with the department, Simon Duggan was the Deputy Secretary with the Department of Climate Change, Energy, the Environment and Water (DCCEEW) from September 2022. He led the Energy Group that advises the Government on transitioning to a lower emissions energy system, while retaining energy affordability, reliability and security. Prior to DCCEEW, Simon was Deputy Secretary at the Department of the Prime Minister and Cabinet (PM&C) from December 2018. He led the Economy and Industry Group and served as Australia’s G20 and G7 plus Sherpa.    Simon has championed inclusion and diversity throughout his career, being DCCEEW’s Culturally and Linguistically Diverse (CALD) Champion and PM&C’s Inclusion and Diversity Champion and Executive Privacy Champion. He was also the APS Academy ‘Strategy, Policy and Evaluation’ Faculty Lead.  Simon joined PM&C in 2016 as the Head of Economic Division, advising the Prime Minister on the full breadth of economic policy. Prior to that, Simon spent 18 years in the Australian Treasury, where he led divisions that advised the Government on corporate and international taxation, the outlook for the Australian economy, macroeconomic policy and productivity-enhancing reforms.    Simon spent three years as a member of the Executive Board of the International Monetary Fund during the Global Financial Crisis, representing Australia, Korea and 13 other countries. He has also represented Australia at the OECD’s Economic Development Review Committee.    Earlier in his career, Simon worked in a range of management and analyst positions in the Australian Treasury’s budget, international development and debt management areas. Simon holds qualifications in economics from the Australian National University.