Lecturer in Ophthalmology, University of Bristol;
Senior registrar, Moorfields Eye Hospital;
Fellow in corneal & cataract surgery, Moorfields
Royal College of Ophthalmologists,
Fellow 1988
College Regional Adviser, Moorfields Eye Hospital 2004 - present
British Transplantation Society 1994
The Bowman Club, founded 1999
British Eye Study Group 1999
Section Editor British Journal of Ophthalmology since 2007, board member EUCornea (European association of cornea specialists) since 2009
Consultant at Moorfields since 1997
Consultant surgeon, Cataract and Corneal services, Moorfields Eye Hospital
Honorary Senior Lecturer, Department of Pathology, Institute of Ophthalmology (1994 – present)
Hon. Senior Lecturer [Clinical], Dept. of Immunology, Imperial College School of Medicine, Hammersmith Hospital, London (1995 – present)