Ellery's background is in writing. As a freelance feature writer he produced articles for a variety of regional and national magazines and papers, including Women's Realm, Woman & Home, Homes & Gardens and the Express newspaper group. They include celebrity interviews with stars like Stefanie Powers, Heather Lockyear, Peter Davison and Sir Norman Wisdom, and articles on travel, art, and motoring. In September 1992 Ellery became the Motoring Correspondent for regional radio station Spire FM in Salisbury, reporting on motoring matters from events like the London Motorshow and presenting a weekly slot. He then moved into television production, scripting and voice-over work. Ellery has also been commissioned by EMTAS (Ethnic Minority and Traveller Achievement Service) to produce several educational films, including programmes to introduce and support the award-winning Young Interpreters Scheme and New Arrivals Ambassadors, for schools across the UK .