He is credited as a writer in the Oni storyline, and was the lead producer for Halo: Combat Evolved and Halo PC. He also served as a producer for Halo 2 and worked as a producer for Halo 3. He was casted as "Additional Voices" in the cast of the Oni game. He left Bungie in October 2006, along with Michael Evans, and is now an employee of Blizzard Entertainment.