Joann Wilkie has been appointed as the new Under Treasurer for the Department of Treasury and Finance, and Chair of Western Australian Treasury Corporation, effective from 4 August 2025.
Joann joins us from NSW Treasury, where she has served as Deputy Secretary of the Economic Strategy and Productivity Group since February 2019, as well as a Director with the NSW TCorp.
Joann brings a wealth of experience, with over 20 years in the Australian Public Service, including senior roles in agricultural, energy and gender policy, and regulatory reform across several government departments. Joann holds a Bachelor of Economics (Honours) from the University of Sydney, a Master of Cultural Policy from the Graduate Institute of Policy Studies, Tokyo, and a Master of Public Policy from the Australian National University.
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