With over 30 years' experience and a perioperative mortality rate lower than both the national and international standard, he is one of the leading surgeons in his field and his skills are highly valued and recognised. His excellent record includes more than 600 major complex surgical procedures on the liver, pancreas, and biliary tract, and over 2000 laparoscopic cholecystectomies. He has a special interest in liver metastases, pancreatic cancer, and onocological surgery. He has led several international projects and trials, and is well-published, with numerous peer-reviewed publications to his name.