Steve Downes (born June 28, 1951) is an American DJ and voice actor. He is best known for his work as the voice of the Master Chief in the Halo video game series. He worked as a disc jockey at Los Angeles, California, album-oriented rock radio stations KWST (1978-1981), KEZY-AM (1981-1982) and KLSX (1994), but is best remembered working evening drive at KLOS from 1982 to 1991. He frequently hosted the live call-in talk show, Rockline in the early 1990s. Most recently, he worked as the morning show host for 97.1 WDRV The Drive in Chicago, Illinois. Downes also hosted the nationally syndicated radio show The Classics. On 6 February 2015, Downes announced that after 44 years in radio he would retire to spend more time with his family; his final show on WDRV was 9 March 2015.