New York—David Sable has been named CEO of Y&R Advertising, New York. He succeeds Hamish McLennan, who is leaving the agency to return to Australia for family matters, according to the agency. Sable was previously vice chairman-chief operating officer of Wunderman, New York, a sibling agency under the WPP umbrella. Hamlish will remain as chairman of Y&R until the end of the year. He has served as CEO since 2006.