Stewart trained at the Gaiety School of Acting. He is the artistic director of PurpleHeart Theatre Company.
Stewart’s first original play 'Revenant' had its world premiere at The New Theatre in November 2013. It was nominated for the 2014 Stewart Parker award and is currently on tour. 'Variance' has just finished a two week run at Theatre Upstairs and was produced by Timador productions. His new play 'Tracer' participated in Fishamble’s New Play Clinic in March and will have its world premi