Mark Shuttleworth Net Worth: $500 Million
Mark Shuttleworth is a South African entrepreneur and space tourist with a net worth of $500 million. He is one of the developers of the Debian operating system and founded Thawte, specializing in digital certificates and online security. He sold Thawte to VeriSign for $575 million and founded Canonical, Ltd, a company funding free software projects and supporting Ubuntu. Shuttleworth is also known for becoming the second self-funded space tourist in 2002, spending $20 million to spend a week at the International Space Station.
