Donald Romain Davis (born February 4, 1957) is an American composer, conductor, and orchestrator. Best known for his work on The Matrix franchise, he has worked on numerous television and film scores, collaborating with directors including The Wachowskis, Ronny Yu, and Joe Johnston in film genres ranging from horror, to action, to comedy. He is the recipient of two Primetime Emmy Awards and four BMI Film Music Awards. Davis was born in Anaheim, California. After graduating from high school, Davis enrolled at UCLA. He continued his study of musical composition with tutor Henri Lazarof. Additionally, he learned orchestration from Albert Harris. During their orchestration lessons, Harris introduced Davis to the TV composer Joe Harnell, who supported Davis during his search for work—his first job was working for composer Mark Snow's TV show Hart to Hart. He has worked as an orchestrator and conductor for Michael Kamen, Alan Silvestri, James Horner, and Randy Newman.