Guardian Media Group plc ("GMG") today announces that chief executive Carolyn McCall is to leave the business. Carolyn will step down after four years in the role, and 24 years with the group, to become chief executive of easyJet. She will leave GMG later in the year and an announcement regarding succession plans will be made in due course. Carolyn joined the Guardian in 1986 as a planner in the marketing department.