Keith Johnstone is a pioneer in the field of improvisational theatre and has been teaching all over the world for over five decades. Once considered the most radical playwright at the Royal Court Theatre (RCT), during his tenure (1956-1966), he was also an integral member of the famous Writers’ Group which included trailblazing playwrights like Ann Jellicoe, Arnold Wesker, John Arden, Wole Soyinka, and Edward Bond. He ran the RCT Studio for professional actors (1963-1966) where he developed most of his Impro System of training. He toured all over Europe with his celebrated impro troupe The Theatre Machine, influencing everyone working in comedy at the time. Johnstone taught at RADA (1966-1972) and was invited to direct and teach at prestigious theatres and schools of theatre around the world (Barba’s International School of Theatre Anthropology, Odense Teater, Odsherred Teaterskole, Stockholms Stadsteater). He continued an international professional career while a full professor at University of Calgary (1975-1995) and founding artistic director (1977-1998) of the Loose Moose Theatre Company. He is the creator of Theatresports™, The Lifegame, and other popular improvised formats licensed to companies worldwide.