View Post Ad Biz Thursday Morning Stir By Kiran Aditham on Feb. 20, 2014 - 10:02 AM -DDB/Tribal Worldwide Amsterdam deputy managing director Sandra Krstic will succeed Jacco ter Schegget as the agency’s co-CEO. Krstic will run DDB/Tribal Worldwide, Amsterdam alongside co-CEO, Ivo Roefs. -Nonprofit, private inst ...