Sir John Tusa Chairs the British Architectural Trust Board and is a Trustee of the Turquoise Mountain Foundation. Published books include Art Matters, Engaged with the Arts and Pain in the Arts. From 2008 - 14 he was Chair of the Clore Leadership Programme, and has also served on the Boards of the National Portrait Gallery, the British Museum, the English National Opera, the Design Museum and Wigmore Hall. Previously he was Director, BBC World Service from (1986–92), Managing Director of the Barbican Centre, London (1995–2007), and Chairman of the University of the Arts London from (2007–13).