Marc Juris has been promoted to exec VP and general manager of American Movie Classics. He had been senior VP of original programming, packaging and production for the cabler. Juris, who has been with AMC for four years, will report to Kate McEnroe, prexy of AMC Networks.In his new post, he’ll oversee programming, marketing and PR. He had supervised all areas of development, production, network scheduling and on-air promos. He also was exec producer of AMC’s original series, docus and specials.