FARMINGTON, Conn.--(BUSINESS WIRE)--Digital agency Primacy announced today the promotion of Rosie Walker to executive vice president and managing director, effective immediately. Working directly with Stan Valencis, president and founder, Walker will help lead the company and define and execute Primacy’s vision and strategic direction. Walker’s promotion comes at a vital point, as 2014 saw the agency’s addition of 16 new clients and growth to Primacy’s video, media, analytics and 360-degree mar