Member of the South Australian House of Assembly for Stuart (20 March 2010 - ), Shadow Minister for Regional Development, Racing, and Sport and Recreation (8 December 2011 - 6 November 2012), Shadow Minister for Energy and Mining (25 January 2017 - 22 March 2018), Minister for Energy and Mining (22 March 2018 - ), Leader of Government Business in the House (29 July 2020 - ), 14th Deputy Premier of South Australia (23 November 2021 - ).