9. Sergey Brin
Sergey Brin, cofounder of Google, has a net worth of $96 billion. He founded the company in 1998 after meeting Larry Page at Stanford while both were studying for advanced computer science degrees. Google went public in 2004, quickly launching both Brin and Page into billionaire status. In 2015, Brin and Page formed Alphabet, the parent company of Google and other holdings. Brin served as president until December of 2019 and is now a controlling shareholder and board member.