CAMP HILL, Pa.--(BUSINESS WIRE)--Rite Aid Corporation (NYSE:RAD) has announced that Ken Martindale, who is currently president and chief operating officer, has been promoted to the newly created position of CEO of Rite Aid stores, effective immediately. Martindale, 55, will continue to report to John Standley, Rite Aid’s chairman and CEO, and will retain his role as president of Rite Aid Corporation. “Ken is a proven leader who, since joining our company in 2008, has played an instrumental role