Martin "Marty" O'Donnell (born May 1, 1955) is an American composer known for his work on video game developer Bungie's series, such as Myth, Oni, and Halo. O'Donnell collaborates with his musical colleague Michael Salvatori for many of the scores; he has also directed voice talent and sound design for the Halo trilogy, and was Bungie's Audio Lead. O'Donnell began his music career writing television and radio jingles as well as scoring for radio and film.