Siobhan performed as an actress for twenty years, which included two years at the Royal Shakespeare Company and productions at the Royal Court and the Globe. She left acting to concentrate on writing, directing and producing short films and documentaries which have been distributed by The British Council, Channel 4, the Short Film Bureau and American-based company Hypnotic.
Her first screen play Monica Ol'e was winner of the "Women in Film & Television & Avalon Productions" Screen-writing Award and made into a feature film. She went onto write numerous episodes of the CBBC animation series Boo and the BBC series The Chuckle Brothers. Having worked nationally and internationally for many years for a well known theatre school, Siobhan now works full-time teaching drama to "A" Level and "GCSE" students at Sackville School in Hildenborough, Kent.
Other TV credits include Maid Marian and Her Merry Men, Grange Hill, EastEnders, The Bill, Casualty, Shiner and DJ Stan Da Man.