William has worked extensively in independent theatre for over twenty years as an actor, director and producer. He also co-produced several fringe festival productions and a critically acclaimed festival of New Works by Women Writers. He has created many comic characters for radio and was a Grand Finalist at the Edinburgh Comedy Festival in both the BBC New Comedy Awards and Channel 4's So You Think You're Funny!? He has performed as a stand-up comic nationally and internationally. He has played lead roles in soap, sitcoms and short films. He was co-creator and lead in The English Class, RTE. For Wytao Films he has co-produced and directed Glass Ceiling; Taximan Frank; Clean Slate, Bio and several chart topping music videos for The Cotton Tree Project in association with Wytao Films.