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 Why New CMO Ewanick Will Have It His Way at GM Promise of Autonomy Lures Ad Age's Marketer of the Year Away From Nissan By Rich Thomaselli, Published on May 10, 2010 3 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.