Aaron trained at the Samuel Beckett Centre, Trinity College Dublin, and at the British American Drama Academy, Oxford.

Druid: Empress of India; The Year of the Hiker; The Walworth Farce; DruidSynge (Galway, Dublin, Edinburgh International Festival and Inis Meáin, 2005; Minneapolis and Lincoln Center Festival New York 2006); The Playboy of the Western World (Tokyo 2007, Perth, Australia tour 2005). 

Other Theatre: Romeo in Romeo & Juliet, Drama at Inish, The Shaughraun (Irish Times Theatre Award Nomination), She Stoops to Conquer (Irish Times Theatre Award Nomination), The Burial at Thebes, I Do Not Like Thee, Dr. Fell, The Wolf of Winter, Finders Keepers (Abbey Theatre); Roberto Zucco in Roberto Zucco (Bedrock Theatre);  Alone It Stands (Lane Productions - Irish, UK and Malaysian tours); The Tinkers Curse (Livin’ Dred); Pubu (Articulate Anatomy); Hades (UpState Theatre).

Film: Little Foxes (Samson Films); The Tudors (CBC); Ella Enchanted (Miramax Films); LSD:73 (Campbell Ryan); Deep Breaths (Stockyard Pictures);The Last Furlong (Great Western/RTÉ); Hide and Seek (RTÉ); Speed Dating (2000AD films).