Ad Biz 5 Biggest Posts of the Past 5 Days By Erik Oster on Oct. 16, 2015 - 1:56 PM W+K ECDs Jaime Robinson and David Kolbusz Step Down Energy BBDO Tells a Love Story With Wrigley’s Gum Wrappers Saatchi & Saatchi New York Names New President, Consolidates Offices Advertisement Internal Memo: Havas Makes Key Creative Promotions JCPenney Names mcgarrybowen Its New Creative AOR