Jeff Ma

Senior Director of Analytics, Twitter

As one of the leaders of the infamous MIT Blackjack team, Jeff was the inspiration for the main character in the best-selling book Bringing Down the House and the hit movie, 21. In addition, he has helped start four different companies including , CircleLending, Citizen Sports, and tenXer.

Jeff has worked as a consultant to the San Francisco 49ers, the Portland Trail Blazers and a major apparel brand. He spent two years working as on air talent for ESPN and served as their Predictive Analytics Expert. His most recent book, “The House Advantage: Playing the Odds to Win Big in Business” was a business bestseller and draws on his unique experiences at the table and in the sports world creating a truly accessible work about business analytics. He currently works at Twitter where he holds the title of Senior Director of Analytics, leading a team of talented Data Scientists, Analysts and Engineers with the goal to drive data driven decision making across Twitter.