Bill Gates Tops the Forbes 400 - Microsoft (NASDAQ:MSFT), Oracle (NYSE:ORCL)

The Giving Pledge co-founder is once again making headlines for being the richest man in the world.

Bill Gates, the man behind that little company that makes Windows –

what was its name again? Oh, right, it's Microsoft MSFT

– has earned the number-one spot in the

. Gates' net worth comes in at $59 billion. Warren Buffett, the master investor who currently serves as the chairman and CEO of Berkshire Hathaway

BRK

, is the second-place winner. Buffett, of course, co-founded the Giving Pledge with Gates. At a net worth of $39 billion, it seems that he has plenty to give. Larry Ellison, the CEO of Oracle

ORCL

, came in third with $33 billion, while Charles Koch (CEO of Koch Industries) and David Koch (Executive VP of Koch Industries) are tied for fourth. Both men have a net worth of $25 billion. To see the full list, head over to the

newly updated

Forbes 400 page, or dive right into

lengthy slideshow

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