Alex Van Gestel Brand Marketing McKinney New York Fills Managing Director Role The New York office of McKinney has found its new managing director in Toronto. George Nguyen was md and chief strategy officer at TBWA\Toronto. At McKinney, he fills a vacancy left by the late 2013 exit of Alex Van Gestel. Brand Marketing Cheil N.A. CEO Sawyer Exits Buz Sawyer, the former Wieden + Kennedy exec who was named CEO of Cheil North America in late 2010 is leaving the Korean agency at the end of the year.