Irving Azoff (born December 13, 1947) is an American personal manager, representing recording artists in the music industry such as Christina Aguilera, Journey, Jewel, the Eagles, X Japan, Bush, REO Speedwagon, Seal, David Archuleta, Alter Bridge, Van Halen, 30 Seconds to Mars, Neil Diamond, New Kids on the Block, Steely Dan and New Edition. Azoff is chairman and founder of Azoff Music Management Group, Inc. In late 2008, he became chairman and CEO of Ticketmaster Entertainment. He was Executive Chairman of Live Nation Entertainment until his resignation on December 31, 2012. He topped Billboard's 2012 Power 100 and was named the most powerful person in the music industry. As of at least 2010, Azoff is also on the board of Clear Channel Communications.