Steven Spence Marshall (born 21 January 1968) is an Australian politician serving as the 46th and current Premier of South Australia. He has been a member of the South Australian Division of the Liberal Party of Australia in the South Australian House of Assembly since 2010, representing the electorate of Dunstan (known as Norwood before 2014). Marshall has been the Leader of the SA Liberals since February 2013, and was the Leader of the Opposition between 2013 and 2018. He had previously been the party's deputy leader from October 2012 to February 2013. Initially unsuccessful at the 2014 state election, Marshall led the opposition into government at the 2018 state election and on 19 March was sworn in as Premier by the Governor.