Simon was a BA Honours fine art student of Film Studies at Sheffield School of Art. Tutored by Barry Callaghan, who was head of the Film Department. Produced and directed the 1978 Punk Rock documentary "Apathy for the Devil" which includes performances by the Damned, the Drones, the Cortinas, and Johnny Moped (with Chrissie Hynde) and commentary by Mick Jones of the Clash.

In 1978 joined BBC Television Ealing Film Studies as trainee assistant film editor. Worked on John le Carré's _"Tinker, Tailor, Soldier, Spy" (1980) (mini)_ starring Sir Alec Guinness. Also worked on The Body in Question (1978) presented by Dr Jonathan Miller.

Worked as Sound Dubbing Editor on BBC TV cop series Bergerac (1981) and Agatha Christie's costume mystery 'Miss Marple' series starring Joan Hickson. Promoted to Film Editor and worked on current affairs and documentary TV film programmes such as "Panorama", "Newsnight" and other documentary films.

In 1989 left BBC to work freelance and founded "The Reel Editing Company Limited". Edited two RTS award-winning documentary series, the "Falklands War", and Thatcher: The Downing Street Years (1993). Recently have edited more than 10 BBC Horizon/Discovery/TLC science documentaries. "Supervolcanoes" was RTS nominated. "MegaTsunami" won a Canadian TV science award. "What Sank the Kursk?" was RTS nominated and won New York film festival science award. Recent work include PBS Nova 'Origins' for WGBH, BBC Horizon 'Einstein's unfinished symphony', Discovery / BBC Ancient Rome 1 hour drama 'Julius Caesar'.