David Smith became the Director General of the Department of Mines, Industry Regulation and Safety on 1 July 2017, which amalgamated the former Department of Mines and Petroleum with the regulatory and labour relations functions for the former Department of Commerce. Previously, David was appointed Acting Director General at the Department of the Premier and Cabinet (DPC) in August 2016, where he had been the Deputy Director General since August 2008. Before DPC, Mr Smith was a member of the Corporate Executive of the Department of Treasury and Finance (DTF), with responsibility for economic policy. He was in the DTF in a variety of positions for 12 years. David also has more than 20 years of experience in the Commonwealth public service, including the Department of the Prime Minister and Cabinet and an overseas posting with the Department of Foreign Affairs and Trade. He has also worked with a private economic consultancy in London.