Education
Mason was educated at Downside School and trained at the Central School of Speech and Drama in London.
Mason was educated at Downside School and trained at the Central School of Speech and Drama in London.
He was appointed fellow in drama at the University of Manchester in 1974 and then lecturer in performance studies. He joined the Abbey Theatre in Dublin as a resident director in 1977 but later left to become a freelance theatre director He returned to the Abbey Theatre as artistic director from 1993–1999.