Warren is a former nationally ranked junior and was a collegiate standout at the Division One level. He has over twenty-five years of experience as a player and coach, and has been involved in the New York area tennis community for the past seven years. Warren served as the Director of Junior Development at the Columbus Racquet Club, where he built one of the finest junior development programs in New York City. Prior to that, he held the position of Tennis Director at the Green Hollow Tennis Club in East Hampton. Warren holds the highest rating as a teaching pro with the Professional Tennis Registry. He received an MS from Gothenburg University School of Economics and a BS from Appalachian State University.