Sydney-born Stephen Mould is a graduate of the Sydney Conservatorium of Music. In 1985, he moved to London to continue his studies at the Royal Academy of Music. During this time, he was active as an orchestral and choral conductor and as a freelance repetiteur. In 1988, he was appointed Head of Music at the Lyric Opera of Queensland, in Brisbane and, in addition to conducting several productions for that company, was also engaged for concerts with the Queensland Philharmonic Orchestra, the Queensland Symphony Orchestra, and conducted opera productions with the Queensland Conservatorium of Music.