Jeff Bezos is the founder and CEO of Amazon, with a net worth of $131 billion. Bill Gates is the founder of Microsoft, with a net worth of $112.8 billion. Warren Buffett is the most successful investor, with a net worth of $82 billion from owning Berkshire Hathaway. Bernard Arnault is the chairman and CEO of luxury company LVMH, worth $76 billion and Europe's richest person.