Nicky Cusworth held various senior roles across government and served as the chief economist at the Chamber of Commerce and Industry WA. She was appointed WA's first female Economic Regulation Authority (ERA) chairwoman in June 2016. Ms Cusworth has extensive experience in economic policy and analysis. Before joining the ERA, she was deputy director general at the Department of State Development, and previously worked for the Department of Treasury and Finance and the Chamber of Commerce and Industry of Western Australia. Ms Cusworth participated in projects including the Electricity Market Review and the Mineral Royalty Rate Analysis.