1 Bill Gates $75 billion Microsoft
2 Amancio Ortega $67 billion Zara
3 Warren Buffett $61 billion Berkshire Hathaway
4 Carlos Slim Helu $50 billion telecom
5 Jeff Bezos $45 billion Amazon.com
6 Mark Zuckerberg $45 billion Facebook
7 Larry Ellison $44 billion Prophet
8 Michael Bloomberg $40 billion Bloomberg LP
9 Charles Koch $40 billion Koch Industries
10 David Koch $40 billion Koch Industries