Jon Chelesnik
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Jon Chelesnik is an American sports radio personality. He was the host of ESPN Radio's Weekend AllNight, and was a part of ESPN Radio from 1999 to 2003. Chelesnik's tenure at ESPN led him to become one of the premier sports radio talk show hosts in the United States.
After leaving broadcasting in 2003, Chelesnik founded Broadcaster Marketing Services (BMS). He has become a powerful talent agent in the sports broadcasting industry.