Eric Brown has been named vice president and general manager, northern region, Los Angeles division at Time Warner Communications. He had been vice president of marketing for that unit. That division also announced four promotions: Eric Burton to customer-service director, from customer-service manager; Scott Gretencord to director of sales, from general sales manager; Daina Supstiks to sales manager, from sales supervisor; and Gloria Pollack to public-affairs director, from community-service manager. Charles L. Dages has been named to the newly created position of senior vice president, emerging technology at Warner Bros. New Media. Dages had been senior vice president, technical operations, Warner Bros.