John Kosner


John Kosner is an internet pioneer and four-decade veteran of sports media.  Today, he is 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.  John continues to serve as an advisor to and an investor in the 15 current companies in Micromanagement Ventures.  He is also a popular moderator and panelist at industry events and webinars.

Previously, John led ESPN digital media from 2003-2017, after stints at Sports Illustrated, the NBA, CBS Sports and NBC Sports.  In his 21 years at the company, Kosner built ESPN into the world’s leading digital sports destination – increasing traffic ten-fold and turning an unprofitable business into ESPN’s fastest growing one.  Kosner and his team helped revolutionize the sports experience with, the ESPN App, Fantasy Sports, Streaming including development of ESPN3, Podcasting with “PodCenter,” subscription services with Insider (now ESPN+).  He was also responsible for recruiting, retaining and developing exceptional sportwriting talent including Wright Thompson, Bill Simmons, Zach Lowe, Ramona Shelburne, Bill Barnwell and Sambit Bal as well as specialists like Adrian Wojnarowski, Matthew Berry, Henry Abbott, Jayski and Darren Rovell. 

 During Kosner’s tenure at ESPN, SportsBusiness Journal  awarded ESPN its annual award for Best in Digital Sports Media five times in 10 years and named Kosner the “Most Influential” in Online Media in 2008.

In addition, also won eight Sports Emmy’s and two Online Journalism Awards, including the prestigious Award for General Excellence and ESPN The Magazine  was awarded the National Magazine Award for General Excellence in 2017.  John has also appeared on lists of powerful and influential figures in sports media in Business Week Magazine, Daily Variety, Cynopsis, and Cable Fax.