Mary is former Head of St Mary’s Ascot. Prior to St Mary’s, Mary was Head of Physics at Eton College and taught at Wellington College and the Abbey School Reading. She has served as a governor at six schools, and is a Member of the Charters School Board. She has been a member of the Girls’ Schools Association (GSA) Inspections Committee and Boarding Committee, the Committee of the Catholic Independent Schools Conference (CISC) and the National Committee of the Headmasters’ and Headmistresses’ Conference (HMC).