Clive is regarded as a leading innovator of visual effects in the film industry. He played a pioneering role in digital techniques such as crowd cloning, morphing & photo-realistic computer animation. He has lectured, broadcast and written articles on these subjects for, amongst others, the National Film Theatre, the BBC & the American Cinematographer Magazine. He has also worked as a consultant and visual effects designer for other film makers, including David Putnam, Mel Gibson and Franco Zefferelli.