Tim has worked in the film industry since the mid-Eighties in arts and film programming and theatrical distribution at the Institute of Contemporary Arts in London. He has previously worked at the San Francisco International Film Festival, as Deputy Director of the London Film Festival for the British Film Institute and as Programmer on the London Lesbian and Gay Film Festival.

Mae Tim wedi gweithio yn y diwydiant ffilm ers canol yr wythdegau mewn rhaglenni celfyddydol a ffilm a dosbarthiad theatrig yn yr Institute of Contemporary Arts Llundain. Cyn hynny, roedd wedi gweithio yng Ngŵyl Ffilm Ryngwladol San Francisco, fel Dirprwy Gyfarwyddwr Gŵyl Ffilm Llundain ar gyfer British Film Institute ac fel Rhaglennydd ar Ŵyl Ffilmiau Lesbiaid a Hoyw Llundain.