As writer for theatre: Arlington (Landmark/Galway International Arts Festival) ; Lazarus (New York Theatre Workshop)  ; The Last Hotel (Landmark/Wide Open Opera) Edinburgh International Festival, Dublin Theatre Festival, Royal Opera House, St. Ann’s Warehouse New York; Room 303 , A Girl’s Bedroom and Kitchen (Galway International Arts Festival), Ballyturk (Landmark/Galway International Arts Festival) Irish Tour, Royal National Theatre; Misterman (Landmark/Galway International Arts Festival) Galway, Royal National Theatre, St. Ann's Warehouse; Once (New York Theatre Workshop/West End/Broadway/Worldwide); My Friend Duplicity;  Penelope (Druid) Irish Tour, Edinburgh, London, New York St. Ann's Warehouse; The Walworth Farce (Druid) Ireland, Edinburgh, Royal National Theatre,  St. Ann's Warehouse, Australian  and American Tour;  Chatroom (Royal National Theatre) British and Asian Tours;  The New Electric Ballroom (Kammerspiele, Munich) Ireland, London, New York St. Ann's Warehouse, LA, Australia; The Small Things (Paines Plough/Menier Chocolate Factory);  Bedbound (Dublin Theatre Festival) Traverse,  Royal Court Theatre; Disco Pigs (Corcadorca/Triskel Arts) World Tour.