The Oracle chief sits atop a fortune that is $11.5 billion bigger than last year thanks to a 30% jump in the software company’s shares. In November, Oracle won a mud-slinging copyright infringement court battle against German software rival SAP worth $1.3 billion. SAP is contesting the outcome. Oracle has acquired 75 companies over the years worth $40 billion, and figured out a way to turn a profit on its latest big buy, Sun Microsystems, in 2010. One of the highest-paid executives in the U.S., Ellison reaped $960 million in compensation in the past five fiscal years, mostly from exercising stock options; he recently cut his salary to $1. Intends to give 95% of wealth to charity.
Net Worth: $39.5 billion