10 richest nerds in the world
Net worth
$37.9 billion
Skinny
Ellison, 67, is co-founder of Redwood City, California- based Oracle, the top maker of database software. He is worth $37.9 billion, down $385.7 million on March 6 and up 15 percent since the beginning of the year. An America's Cup-winning yachtsman known for an extravagant lifestyle, Ellison has spent hundreds of millions of dollars on real estate, including a home in Woodside, California, modeled on 16th century Japanese feudal architecture.