As well as choreographing for and performing as a member of The Royal Ballet for over 25 years, William is an award-winning, internationally renowned director and choreographer, with work touring Europe, the USA, Canada, Japan and China. He has worked in both commercial and subsidised theatre, opera, musical-theatre, television and Ballet, English National Ballet, The National Ballet of Canada, National Ballet of China, Ballet Black, The Royal Opera, Opera North, Welsh National Opera, Garsington Opera, Sadler’s Wells, PARCO Theatre Tokyo, The Royal Shakespeare Company, Shakespeare’s Globe, Almeida Theatre, Sage Gateshead, The Egg Theatre, Whitechapel Gallery, Tate Modern, The National Gallery, the BBC, Channel 4 and Sky Arts. He was made the first ROH2 Creative Associate for The Royal Opera House (2006), responsible for devising and delivering innovative work for new and family audiences.