Exec was previously senior VP and COO.

Univision Communications has appointed Gary Stone as president/COO of Univision Radio. Stone was previously senior VP and COO, a post he's held since 2001 for Univision Radio, and its predecessor, Hispanic Broadcasting Corporation. Stone succeeds Mac Tichenor, Jr. as president of Univision Radio, which is the nation's largest Spanish language radio network.

Stone has been working in radio for 37 years, and began his career as a disc jockey in 1969. He has spent time in numerous roles, and was VP/GM of HBC's Los Angeles stations before his appointment as senior VP/COO in 2001.

Stone reports to Ray Rodriguez, president and COO of Univision Communications Inc. He will continue to be based out of Dallas, TX.