Woodside, Calif.

Larry Ellison
64

How'd he get so rich? The Bronx-born billionaire founder of Oracle, a major enterprise software company, and is reputedly the fourth-richest man in the world. The thrice-divorced Ellison has all the billionaire toys: the yacht, the $200 million Japanese mansion complete with a reproduction 17th century Kyoto teahouse. He is also a passionate sailor and is the second-biggest backer of BMW Oracle Racing in the 2007 America's Cup bid.

Learn more about Oracle (ORCL).

next slide previous slide