Founder, TennisAbstract Jeff Sackmann is the founder of TennisAbstract, a comprehensive database of professional tennis results and statistics. He has written about the sport for The Wall Street Journal, ESPN, and Tennis Magazine, in addition to his own blog, Heavy Topspin. Jeff established and coordinates the Match Charting Project, a collaborative, open-source effort that has compiled shot-by-shot records for over 600 matches, and recently co-founded (with Ben Rothenberg) a fantasy tennis game, Racket Rally. He is also the technical co-founder (with Kent Bonham) of College Splits, which has aggregated and analyzed college baseball data for Major League clubs since 2007.
Senior Sportswriter FiveThirtyEight
Chief Business Officer Comcast Spectacor
Wide Receiver, Arizona Cardinals
CEO Concussion Legacy Foundation