Cormac received a first-class music degree from the University of Oxford in 2023. While there he played Seymour in Little Shop of Horrors, Adam in An American in Paris, Anthony in Sweeney Todd, Jamie in The Last Five Years and Algernon in The Importance of Being Earnest. He also trained classically as a choral scholar of The Queen's College, and in vocal jazz as Musical Director of The Oxford Gargoyles. He has been a member of The National Youth Theatre since 2022. In 2017 he was awarded The Harvey Kesselman Comedy Award by NODA for his performance as Eugene in Grease.