Turner Entertainment Networks has appointed Rob Collins VP of brand activation for TNT, TBS and TCM. Collins’ tasks will include running the TCM Classic Film Festival and TBS’ Just for Laughs fest in Chicago.Gregg Brussel has been promoted to veep of research channels and ad sales at BBC Worldwide Americas. Brussel, who has been with the company since 2006, previously worked in program research for BBC America. AMC appointed Marc Krok senior VP of TV ad sales, overseeing the New York region for the cabler. He joins AMC from Dish Network. Edward Rada has been upped to managing director of Center Theater Group. Formerly CTG’s chief financial officer, Rada will succeed Charles Dillingham, who is stepping down in June after 20 years with the org. Univision Communications has named Chris Fager senior VP of distribution sales. For the past five years Fager was president of TuTV networks.