Mark Richard Shuttleworth (born 18 September 1973) 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.[1] In 2002, Shuttleworth became the first South African to travel to space, doing so as a space tourist.[2][3][4] He lives on the Isle of Man and holds dual citizenship from South Africa and the United Kingdom.[5][6] According to the Sunday Times Rich List in 2020, Shuttleworth is worth an estimated £500 million. --Wikipedia

This explains so much.