Resume: Richard Marc Rosenblatt

Born: Apr. 6, 1969 in Woodland Hills, Calif.

Education: BA in Political Science, University of California at Los Angeles, 1991; JD, University of Southern California, 1994.

Early jobs: Movie-ticket taker, pizza delivery boy, door-to-door knife salesman, fitness instructor. Made his first million while still at law school, mostly through R&R Advertising, a company he started to sell ads for local papers.

Career: In 1994, he started iMall, which provided software tools for small businesses to set up shop on the Net. Sold it to Excite in 1999 for $565 million in stock, of which he got 10%. Immediately launched Prime Ventures, an investment company that funds struggling dot-coms. He and his partners bought a stake in, and, last summer he became the CEO.

Koop on Rosenblatt: "He's extremely youthful, with poise and a lot of exuberance. He's a quick study who has made an effort to learn as much as he can about health. I see some of myself in him."

Family: Oldest of two children born to Jane, a professor of biostatistics, and Martin, a nuclear physicist. Didn't think twice about marrying his wife, Lisa, when he was 23 and she was just 21. "When I'm passionate about something, I do it," he says. They have two children, Dillon, 3, and Chase, 1.

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