Jeffrey Ma is recognized for his involvement with the infamous MIT Blackjack Team, where he developed a card-counting method using math, talent, and teamwork. His experiences with the team served as the inspiration for the best-selling book "Bringing Down the House" and the hit movie "21."
An accomplished entrepreneur, Ma has founded four companies: GolfSpan, which was sold to Demand Media; CircleLending, sold to Virgin; Citizen Sports, acquired by Yahoo; and tenXer, which was sold to Twitter.