Rupert was born in England and educated at St. John’s College Choir School, Cambridge.

A truly versatile composer, he has written a wide range of scores including the Oscar winning Hotel Rwanda, for which he was awarded the European film composer of the year Award, and Warner Bros Winter’s Tale, as well as independent features such as Pathe's ThunderPants, Sony’s The Maiden Heist and BBC Film’s Love + Hate, for which he was awarded the Reims International Composer Award. By contrast, Rupert scored the DreamWorks’ animated features, Over The Hedge and Bee Movie, for which he was nominated for an Annie award. Rupert has a long standing relationship with Adam Sandler and has scored a plethora of movies for him over the last decade. Rupert's commercial and film collaborations have included Ben Folds, Mark Knopfler, Hans Zimmer, Hadag Nahash, Lebo M, Junior Mambazo and Moya Brennan.