A AutoNews Joined Dec 17, 2008 Threads 2,624 Messages 2,624 Aug 14, 2011 #1 General Motors' global marketing chief, Joel Ewanick, wants more consistency from the advertising agency he tapped last year to head GM's biggest account: Chevrolet. Link
General Motors' global marketing chief, Joel Ewanick, wants more consistency from the advertising agency he tapped last year to head GM's biggest account: Chevrolet. Link
