Dixon was educated at Marcellin College, the Australian Catholic University and Louisiana Trobe University. He holds a Diploma of Teaching and a Bachelor of degree. Prior to entering Parliament, he worked as a teacher, a school principal and as Deputy Chairman of Primary at the Catholic Office in Melbourne.
He was Minister for in the Baillieu and Napthine governments from 2010 to 2014.
He has been a Liberal Party of Australia member of the Victorian Legislative Assembly since 1996, representing the electorates of Dromana (1996–2002) and Nepean (2002–present). Dixon has been a member of a number of Joint Parliamentary Committees, as well as holding various portfolio positions in shadow cabinet including and Training, Services, Skills and Employment, Innovation, Victorian Communities and Veterans Affairs.
