Harry Gregson-Williams (born 13 December 1961) is a British composer, conductor, orchestrator, and record producer. He has composed music for video games, television and films including the Metal Gear series, Spy Game, Phone Booth, Man on Fire, The Chronicles of Narnia: The Lion, the Witch and the Wardrobe, Déjà Vu, X-Men Origins: Wolverine, The Martian, Antz, The Tigger Movie, Chicken Run, the Shrek franchise, Sinbad: Legend of the Seven Seas, Flushed Away, Arthur Christmas, Early Man, and Catch-22. He is the older brother of composer Rupert Gregson-Williams.
Gregson-Williams won a musical scholarship to St John's College School in Cambridge at the age of seven. He was a child chorister at the school and later attended Stowe School, a boarding independent school in the civil parish of Stowe in Buckinghamshire, where he was a music scholar. He next went to the Guildhall School of Music and Drama in London.