Duncan joined the Board in June 2010, having been a Director of Martlets Care for a number of years prior to that; Duncan is also a Chaplaincy Volunteer for the Martlets. Duncan has a strong medical background having trained at Guy’s Hospital and at hospitals in Brighton, before going into General Practice in 1969.

Duncan is the Vice Chair of the Sir Halley Stewart Trust which funds innovative research in Medicine, Religion and Social Enterprises. Duncan is also a trustee of SPRINT, a local charity which funds further education for members of the local hospital orthopaedic department.