David J. Halberstam was the EVP/General Manager of Westwood One Sports. Previously, he was the play-by-play announcer for the Miami Heat and St. John's basketball.
In 1999, Halberstam published Sports on New York Radio: A Play-by-Play History. In 2016, he authored "The Fundamentals of Sports Media and Sponsorship Sales: Developing New Accounts." From Wikipedia
