Meet the 30 Under 30 Coolest Entrepreneurs

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Rochelle Behrens, The Shirt by Rochelle Behrens

Behrens, a former Washington, D.C., lobbyist, now devotes herself to the politics of cleavage. Frustrated with shirts that gap at the bust, she created The Shirt, which has a hidden second placket that prevents "gapage." Sales soared after the product was featured on the Oprah Winfrey Show last January as a fashion "must have;" in the first few months of this year, she's sold almost 10,000 shirts. Read more.