David Epstein is an author and journalist. Previously a senior writer for Sports Illustrated, Epstein is now an investigative reporter for ProPublica. His science writing has won a number of awards, including the 2010 Society of Professional Journalists prize for science and technology writing. His best-selling book The Sports Gene: Inside the Science of Extraordinary Athletic Performance was a finalist for the 2014 PEN/ESPN Award for Literary Sports Writing. Epstein’s 2014 sports science TED Talk was among the 20 most viewed of the year.