Mark has been an art entrepreneur for over 35 years and founded Cass Art in 1984. His great uncle Paul Cassier was the most important dealer for impressionists in Europe in the 1920s. Previously, Mark ran Craftsmith – the UKs largest arts and crafts retailer, and founded Image Bank UK – the world’s largest photographic library before selling it to Getty Images. Mark currently serves as Chairman of the Cass Sculpture Foundation