Career
Sullivan began his career with Clyde, making 176 league appearances in 6 years before moving to Aberdeen. He moved to Celtic in 1979 and had spells with Greenock Morton and Alloa Athletic before retiring. Dom Sullivan was appointed as player-manager of Alloa Athletic in the 1986-1987 season.
After retiring as a player, he later managed East Stirlingshire in the early 1990s.
Whilst a coach at Falkirk Dom was twice made caretaker manager in between the spells of Jim Duffy and Billy Lamont, then Billy Lamont and Jim Jefferies. He now owns the Railway Inn public in Denny.