One of Joel Ewanick’s big moves in his brief reign as chief marketing officer of General Motors was to combine two rival ad agencies and give them the Chevrolet account, ousting Campbell Ewald after decades of experience.
One of Joel Ewanick’s big moves in his brief reign as chief marketing officer of General Motors was to combine two rival ad agencies and give them the Chevrolet account, ousting Campbell Ewald after decades of experience.