Stephen William Vizard AM (born 6 March 1956) is an Australian television and radio presenter, producer, writer, lawyer and businessman. He is an adjunct professor at Monash University and University of Adelaide. Vizard was embroiled in three highly publicised legal proceedings, involving the theft of moneys by his former accountant from the Vizard Companies, and Vizard's civil penalties in 2005 for breaching directors' duties.