He has been active in the industry since 1985. He has cast, and directed many animated shows and films. He also has voiced characters in several cartoons and anime; he is probably best known for his work in "ToddWorld", which was nominated as an outstanding children's animated program. His character Terrosaur in "Beast Wars: Transformers" is also well-known, as well as Starscream. Doug also provided the voice of Prince Adam in "The New Adventures of He-Man" (1990).