Infamous MIT Blackjack Team
Jeff has fostered four start-ups over the last two decades, including GolfSpan.com (acquired by DemandMedia), CircleLending (acquired by Virgin), Citizen Sports/PROTRADE (acquired by Yahoo), and tenXer (acquired by Twitter).
Evangelizing better decision-making through analytics, Jeff has consulted for the San Francisco 49ers and Portland Trail Blazers. And served, on-air, as ESPN's Predictive Analytics Expert.
Currently Vice President of Analytics and Data Science at Twitter, Jeff currently leads a team of incredibly talented Data Scientists, Analysts, and Engineers with the goal of driving data-driven decision-making across Twitter using analytics and machine learning.
My Defining Moment
How Jeff learned from failure and became truly data driven
My Blackjack Stories
Travel back in time with Jeff and learn from his experiences with Kevin Costner and others at the blackjack tables
How did it all begin?
tenXer joins Twitter
In April of 2015, Twitter acquired tenXer so that the tenXer team could continue to build innovative analytics tools to increase the productivity of software engineers.
The Worldwide Leader
For two years, Ma served as ESPN's first Predictive Analytics Expert, appearing on air throughout the 2014 and 2015 football and basketball seasons.
In 2012, Jeff embarked on an ambitious vision to use analytics to change the way people work - think quantified-self for work.
Yahoo acquires Citizen Sports
In March of 2010, Yahoo acquired Citizen Sports to expand their social and mobile offerings in sports. Citizen Sports mobile app still provides the backbone to Yahoo's mobile sports app.
In 2010, Jeff published the business bestselling book, "The House Advantage". Jeff's goal was to write a truly accessible book about the power of data and analytics.
In March of 2008, Jeff's story was turned into a movie by Sony Pictures. Jeff's real life experiences served as a compelling backdrop to the movie 21 which was number one in the box office for two weeks in a row.
It all began with a simple conversation where Jeff approached his friend, novelist Ben Mezrich. They decided to collaborate on the book "Bringing Down the House" and the rest is history.