Muriel Zingraff is a Partner at Damazo Group, specialising in airport concession planning, from initial concept development through to tenders, implementation and delivery. Zingraff is the former London Heathrow Airport Retail Director, where she was responsible for developing Heathrow’s retail business in existing and new terminals. Zingraff developed the airport’s retail sales, reaching £1.9bn in 2013 from £1.7bn in 2012 and delivering EBIT growth of +7% in 2012 and +8% in 2013.