Drummer with the progressive rock band Supertramp and was the group's only American member.
He was a member of pulp rock band Bees Make Honey.
He was the first prominent musician to score a video game in 1989, Sierra On-line's Space Quest III: The Pirates of Pestulon.
He fathered a son, Jesse, who became a member of Supertramp as well, participating in their 1999 live album called It Was the Best of Times.
He collaborated with many artists, including film and television composer Danny Elfman.