Jeffrey Ma
<p>As one of the leaders of the infamous MIT Blackjack team, Jeff Ma was the inspiration for the main character in the best-selling book <em>Bringing Down the House</em> and the hit movie,<em> 21</em>. </p><p>In addition, he has helped start four different companies including GolfSpan.com (sold to Demand Media), CircleLending (sold to Virgin), Citizen Sports (sold to Yahoo) and tenXer (acquired by Twitter).