William has provided voice input for shows at the Arcola, BAC, The Place, the Finborough, the Royal Court, Menier Chocolate Factory, Lyric Studio and Riverside Studios. He has worked with actors of many levels of experience, including established names and people at early stages in their careers. His one-to-one clients have worked at the National, Royal Court and West End and leads at Regent’s Park and Apollo Victoria. He has led workshops for Escape Artists, Graeae, Mind the Gap, the Magic Circle, RSAMD and for Tamasha Theatre's actor-director laboratory. Drama schools he has taught at include ArtsEd, Central, Drama Centre, East 15 and LAMDA. He trained at Central and Bristol and Exeter Universities and is on the training working party of the British Voice Association.