Stewart has a varied background. He trained as an actor (Mountview Academy of Theatre Arts), graduating in 1982, worked in sales as an account manager for BT, retrained as a voice coach (Guildhall School of Music and Drama), became the Head of Voice at East E15 acting school and set up Talking Shop Training Ltd in 1992. He went on to become a practitioner of NLP (NLP Life training), a qualified Hypnotherapist (Atkinson Ball College) and is an accredited Myndflex® coach. He has worked for international organisations, educational bodies and individuals from the public and private sector. He has helped Barristers, Broadcasters, Business people, Politicians and University lecturers engage their audience and deliver their message with confidence and clarity.