Ad Biz 5 Biggest Posts of the Past 5 Days By Erik Oster on Oct. 9, 2015 - 3:21 PM W+K ECDs Jaime Robinson and David Kolbusz Step Down J. Walter Thompson New York Gets Another New CCO Coors Light Takes a Trip to the Coast with 72andSunny Saatchi & Saatchi New York Names New President, Consolidates Offices Kraft-Heinz to Review All Creative Accounts