1. Mark Zuckerberg Mark Elliot Zuckerberg (born May 14, 1984) is a computer programmer and entrepreneur Internet.Ia known for creating a social networking site Facebook with a friend.According to the Forbes site, Mark Zuckerberg has estimated net worth of $ 17.5 billion. 2. Larry Page and Sergey Brin They both are founders of google. They run the search engine Google, which began operating in 1998.According to the Forbes website, each having an estimated net worth of $ 16.7 billion. 3. Robin Li Robin Li