John Kosner

John Kosner is an internet pioneer and four-decade veteran of sports media. Today, he is an investor and advisor in sports tech startups and president of Kosner Media, a digital media and sports consultancy. In 2018, John and the late NBA Commissioner Emeritus David Stern created Micromanagement Ventures, a portfolio of sports technology start-ups focused on media, betting and player health. Previously, John led digital media at ESPN from 2003-2017, after stints at SportsIllustrated, the NBA, where he was in charge of U.S. broadcasting during the Dream Team era, CBS Sports and NBC Sports. In his 21 years at the company, Kosner built ESPN into the world’s leading digital sports destination – a powerhouse in short- and long-form editorial content, streaming, social media, podcasting, fantasy sports and direct-to-consumer – increasing traffic ten-fold and turning an unprofitable business into ESPN’s fastest growing.