Iain Mackintosh co-founded the Prospect Theatre Company in 1961, taking 75 productions to over a hundred theatres around the world. He then became a designer of theatre spaces in many countries with Theatre Projects Consultants and has been invited as a guest speaker to conferences across five continents. In 1973 he conceived the design of the National Theatre's Cottesloe space, which opened in 1977. Other spaces which he conceived include Martha Cohen, Calgary, Canada (1985), Orange Tree, UK (1991), Glyndebourne, UK (1994), Lawrence Batley, Huddersfield, UK (1994), The Quays at the The Lowry, Salford, UK (2000), Tina Packer Playhouse, Lenox Massachusetts, USA (2001) and Hall Two of The Sage Gateshead, UK (2004). Renovations in which he was closely involved include de Magd Bergen-op-zoom the Netherlands, Dunfermline Opera House transported to Sarasota Florida, Festival Theatre Edinburgh and Royal Court London, UK. He was the first Briton to serve on the jury of the Prague Quadrennial of Scenography and Theatr
