Mark Richard Shuttleworth is a South African and 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 African to travel to space, doing so as a space tourist. 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.