#10:. Nathan Blecharczyk (32) Co-founder of Airbnb
Nathan Blecharczyk is a Harvard graduate who co-founded Airbnb with Joe Gebbia, his Harvard roommate. The website enables people to list, find and rent lodgings in over 190 countries. Prior to this he worked as a product manager at Microsoft.
Estimated wealth: R3,6 billion (R55 billion)