#4. Warren Buffett
Is the CEO and primary shareholder of Berkshire Hathaway, which is a multinational conglomerate holding company based in America that happens to own Fruit of the Loom, Geico, and Dairy Queen and also have large stakes in IBM, Coca-Cola, and Wells Fargo. Berkshire Hathaway is the 5th most valuable company in America. Mr. Buffet is one of the most successful investors but is known for his frugal habits, despite his massive wealth. Even with a net worth is $65.5 billion, Mr. Buffett still lives in the same house he bought for $31,500 dollars back in 1958!