Oliver worked with Ken Campbell on The Warp (1998/9), and first improvised at Shakespeare’s Globe in 2005. He has appeared with The School in London, Edinburgh, Hamburg and Latitude Festival, and taught improvisation for Drama Studio London and the NYT among many others, as well as doing several 50-hour impro-marathons. He has worked for the RSC, Chichester and West Yorkshire Playhouse, is a founder member of Showstopper! The Improvised Musical, a regular collaborator with Slung Low and Alan Lane (Beyond The Front Line, The Count of Monte Cristo, Mapping The City, The Knowledge Emporium and the forthcoming Story Book) and has just finished a year in the West End production of Mamma Mia!