Mark Richard Shuttleworth (born 18 September 1973) is a South African-British entrepreneur who is the founder and CEO of Canonical, the company behind the development of the Linux-based Ubuntu operating system. In 2002, Shuttleworth became the first South African to travel to space as a space tourist, and indeed the first African from an independent country to travel to space. He lives on the Isle of Man and holds dual citizenship from South Africa and the United Kingdom. According to the Sunday Times Rich List in 2020, Shuttleworth is worth an estimated £500 million.