You’ve read all of your free items this month. To register, get added benefits and unlimited access to articles, Become a Member. Already a Member? Sign in. Advertising Age Article Abstract Clear Channel Media and Entertainment Taps IPG's Tim Spengler as Revenue Strategy Chief Former MagnaGlobal CEO to Also Oversee Content Marketing By Tim Peterson, Published on October 21, 2013 0 Want more Access, Content & Connections? Upgrade to Membership. We are glad you are enjoying Advertising Age. To get uninterrupted access and additional benefits, become a member today. Become a Member Already a member? Log in.