Professor of Surgery, and Chair Surgery at the University Hospital in Lausanne Switzerland. Member of the French Academy of Surgery in Paris, guest professor at the University Hospital of Lanzhou and honorary Fellow of the ASGBI, the Chinese College of Surgeons and the French Association of Surgery.

Focus on oncologic surgery, mainly hepato-pancreatico-biliary. Research includes innovative treatment of liver metastasis and peri-operative management (ERAS). Chair implementation of the ERAS Society. Faculty at IRCAD-EITS. Vice-Chair of the council of the Society of British Journal of Surgery. Expert at the French National Institute for Cancer (INCA).