After 37 years of building JohnstonWells into one of Denver’s largest and most successful public relations agencies, Gwin Johnson is stepping down from her role as CEO. Her successor will be her daughter, GG Johnston, who has been serving as the agency’s president and COO. Although Gwin will no longer be involved in the the day-to-day details of the agency, she “will continue to be active in the company as owner and Chairman of the Board.” The official JohnstonWells announcement is here.