William Morgan’s recent engagements include Camille Merry Widow, Freddy in Dove's Marx in London Scottish Opera, Teacher Lady Macbeth of Mtsensk BBC Proms, Walther/Hugo/Old Woman in Judith Weir’s Blond Eckbert English Touring Opera and Aldeburgh Festival, Frederic The Pirates of Penzance, Tamino The Magic Flute English National Opera, Fairfax Yeomen of the Guard Opera Holland Park, Tom Rakewell The Rake’s Progress Théâtre Orchestre Bienne, Ferrando Così fan tutte Irish National Opera, Anthony Sweeney Todd West Green Opera, Victorin The Dead City and (cv) Tuomas in Saariaho’s Innocence Royal Opera House, Covent Garden, Candide (title role) and Marco The Gondoliers Scottish Opera, Don Ottavio Don Giovanni and Ferrando Così fan tutte Longborough Festival, Scenes from the Wild (world premiere) City of London Sinfonia, Dialogues des Carmélites Teatro dell'Opera di Roma, Talus Raising Icarus (world premiere) Birmingham Contemporary Music Group, Prunier La Rondine West Green Opera, Writer Jack the Ripper (world premiere), First Priest The Mask of Orpheus and Reporter Orphée, Peter Quint The Turn of the Screw, Hot Biscuit Slim Paul Bunyan, Phaeton The Day After English National Opera, Tom Rakewell The Rake’s Progress Gothenburg Symphony, Tamino Die Zauberflöte Scottish Opera, and Johann Strauss Gala tour Raymond Gubbay Ltd.

Other past work includes Younger Man Between Worlds Barbican, roles in Falstaff Royal Liverpool Philharmonic (with Bryn Terfel), Misael The Burning Fiery Furnace Scottish Opera, Pastore/Spirito Monteverdi's L'Orfeo Bayerische Staatsoper, Anthony Sweeney Todd Longborough Festival, and Hippolyte et Aricie (with William Christie) Glyndebourne.

William performed concerts at the Oxford Lieder Festival, Royal Albert Hall's Elgar Room, Royal Overseas League, Royal Festival Hall, St John's Smith Square, Canterbury Cathedral, BBC Scottish Symphony Orchestra at BBC Proms, and BBC Radio 3. He trained at the National Opera Studio and at the Royal College of Music.