Bartlett makes the move in September after three years at Ketchum. Before joining the agency in 2008, she was head of government affairs at the Association of the British Pharmaceutical Industry
At McDonald's, she takes the title head of UK public affairs and will be reporting to Nick Hindle UK vice president, communications. She will working closely with public affairs manager Richard Casofsky and head of communications Dionne Parker, alongside the company's retained agency, Portland.
Previous head of public affairs Hugh Milward left McDonald's last year to become deputy managing director at TLG.