Professor Emeritus of Persian History, Pembroke College, Cambridge
President of the British Institute of Persian Studies, British Academy
Editorial Board:
- Iranian Studies (USA): Advisory Council
- Journal of Persiante Studies (USA): Editorial Board
- Iranian Studies Series (Leiden): Board of Advisors
- Kherad va Danesh (Centre of Excellence, Mashhad, Iran): Advisory Board
- Nouvelle Revue des Etudes Iraniennes (Tehran, Iran): Comité de patronage