Tesla CEO Elon Musk reclaimed the title of the world's richest person with $192 billion in wealth. LVMH CEO Bernard Arnault is the world's second-richest person with $187 billion in wealth. Amazon Founder Jeff Bezos ($144 billion) is the third-richest, followed by Bill Gates ($125 billion), Larry Ellison, Steve Ballmer, Warren Buffett, and Google Co-founders Larry Page and Sergey Brin.