Meet 30 Cool Young Entrepreneurs

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13 of 30

Lukas Biewald and Chris Van Pelt

Biewald and Van Pelt, both 28, are seeking to make the world's contingent workers available online to the companies that need them to perform large volumes of simple tasks quickly and efficiently. Their San Francisco-based company, Crowdflower, has grown three-fold in the past nine months. Read more.