Stuart studied music at Durham University, with coaching from Mike Broom and Clive Constance. Since then, he has divided his time between performing and teaching. Recent repertoire includes Handel's Messiah, the title role in Britten's Noye's Fludde, and Monteverdi's Vespers in the Midlands under JanJoost van Elburg. A recent privilege was singing the national anthems of England and Uruguay before their fixture in the 2015 Rugby World Cup. He is also a lay clerk at Liverpool Metropolitan Cathedral. In 2017, he will be overseeing a production of Noye's Fludde as part of the Cathedral's 50th Anniversary celebrations.
In 2015, Stuart helped to establish a new community music festival, Walton Makes Music, in north Liverpool, with the aim of providing opportunities for the residents of Walton to hear and make music in their community. He also writes for the Liverpool music magazine Bido Lito! and is a keen cyclist. He lives in Liverpool with his cat, Jeoffry.