Rob Johnson (who served as a minister in the government of Colin Barnett from 2008 to 2012) was the mayor of Wanneroo from 1992-1993, with Graeme Major taking over the position at the end of his term until 1994.
He was elected as a member of the Liberal Party, and served as a minister in the government of Colin Barnett from 2008 to 2012, but resigned from the party in 2016 to sit as an independent. Rob Johnson 19921993 Graeme Major 19931994 
