GM Aligns US Into Four Brands, McNabb To Oversee Premium Line CNNMoney.com - Ed Peper , 46, was named North American vice president of Chevrolet, Susan Docherty , 45, was named North American Vice President of Buick-Pontiac GMC and ... General Motors streamlines brand operations GM aligns marketing leadership with four brand channels GM hires former top Nissan North America executive |