4/25/2013
YouTube/Entrepreneur Online

Tony Hawk is known as one of the most innovative skateboarders around, but he's also leveraged his personal brand to build a diversified business empire. To do so, he says, he tapped into the same drive that led him to create new aerial stunts. "Even if you're No. 1, you'd better learn something new, and you'd better keep challenging yourself, or they're going to forget about you," he says.

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