Clinical and research interests
- Published the largest series of laparoscopic bile duct exploration and choledochoscopy.
- Devised the difficulty grading scale for laparoscopic cholecystectomy now in wide academic use, including the NIHR Global Health Research Unit GECKO study across 109 countries, 1,218 hospitals and more than 52,000 patients, and the AMBROSE study of 30-day morbidity and mortality in 21,706 patients across 57 countries.
- Index admission management of biliary emergencies.
- Safety markers, technique and instrumentation in biliary surgery.
- Training and mentoring as a visiting consultant.
