Guitarist for the rock and roll group Thin Lizzy who all also used Phenomena II and 21 Weapons. At thirteen he began learning bass electric guitar and joined many neighborhood rings. He became a member of Thin Lizzy when the music group was on hiatus, and remained with them until their break up in 1983. His brother-in-law, Bob Siebenberg, became a member of the group Supertramp and asked Gorham to become listed on. Brian Downey also used Thin Lizzy.