Irving Azoff (; born December 12, 1947) is an American entertainment executive and chairman of Full Stop Management, which represents recording artists. Since September 2013, he has been chairman and CEO of Azoff MSG Entertainment, a venture with The Madison Square Garden Company. Prior to this he served as chairman and CEO of Ticketmaster Entertainment and was executive chairman of Live Nation Entertainment and CEO of Front Line Management. He is also on the board of Starz Inc. and IMG.In 2012, he topped Billboard's Power 100 and was named the most powerful person in the music industry.