North Middlesex University Hospital, Enfield, UK.
Western Eye Hospital, London, UK.
Director Beetham Eye Institute, Joslin Diabetes Center, Harvard Medical School, Boston, US.
CPD Advisory Board, Diabetes UK.
Royal Berkshire Hospital, Royal Berkshire NHS Foundation Trust, Reading, UK.
West Hertfordshire Teaching Hospitals NHS Trust, Hertfordshire, UK.
North London Deanery Honorary Research Fellow, Moorfields Eye Hospital NHS Foundation Trust, London, UK.
Oxford Eye Hospital, Oxford, UK.
MBBS, FRCOphth, MD, FGCS, Clinical Lead and WRES Expert, London North West University Healthcare NHS Trust, Co-Lead for North West London Clinical Reference Group, London, UK.
Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UK.
Norfolk and Norwich University Hospitals NHS Foundation Trust, Norwich, UK.
Rotherham NHS Foundation Trust, Rotherham, UK.