Amazon Founder Jeff Bezos has become the world's first person whose net worth has crossed $200 billion. His $205 billion net worth is $89 billion more than world's second-richest man, Bill Gates, whose net worth is $116.2 billion. World's third richest is LVMH Chief Bernard Arnault & family at $114.4 billion, followed by Facebook CEO Mark Zuckerberg at $111.5 billion.