 Born in England in 1970, Walker’s interest in photography began at the Condé Nast library in London where he worked on the Cecil Beaton archive for a year before college .After obtaining a HBC in Photography at Exeter College of Art, Walker was awarded third prize as The Independent Young Photographer Of The Year.Upon leaving college in 1994, Walker worked as a freelance photographic assistant in London before moving to New York City as a full time assistant to Richard Avedon.