Philadelphia

Josh Kopelman
36

How'd he get so rich? The founder of Infonautics, Half.com, Turn Tide, and First Round Capital, Kopelman's big windfall came in 2000, when he sold Half.com to eBay for $350 million. He then remained with eBay for three years to run Half.com. During that period he expanded eBay's Media marketplace to almost half a billion dollars in annual sales. He has since founded First Round Capital, a seed-stage venture capital fund, and writes a tech blog called Red Eye VC.

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