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 People on the Move: Cheil USA Names Yusuf Chuku Chief Strategy Officer Also on the Move: Tom Doctoroff, Colvyn Harris, Michael Maedel, Adam Schlacter, Dino Bianco, Bill Nelson, Richard Plepler, Patrick Przybyski, Patrick Ford , Published on September 25, 2012 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. Register Now Already a member? Log in.