Pierre A. Clavien is a worldwide renowned surgeon-scientist, currently professor and chairman of the Department of Surgery in Zurich, Switzerland. After a Swiss board of surgery, he moved to Toronto, Canada, to complete a PhD program in organ preservation, followed by a clinical fellowship in HPB surgery and liver transplantation. He then moved to Duke University Medical Center, Durham, NC, where he initially led the liver transplantation and HPB programs, and subsequently the division of Transplantation, and obtained the rank of full Professor within 4 years. The main interest of Dr. Clavien has been in several aspects of transplantation and liver surgery. Since 1994 he has run an active basic science laboratory funded through NIH and Swiss National Grants and other private and non-private sources. His areas of research include organ preservation, liver ischemia-reperfusion injury and liver regeneration, and pathogenesis of cancer, as well as outcome research with publication in Science, PNAS, Gastroenterology, Lancet, and NEJM. His laboratory made the discovery of serotonin as a key mediator of liver regeneration and pathogenesis of cancer (Science 2008). Dr. Clavien has also developed a simple and widely used system to evaluate complications after surgery, which holds his name. The impact of his research might be highlighted with an H factor of 97. He has been president of the European Surgical Association (ESA), European Hepatobiliary Association (E-AHPBA) and the Swiss Transplantation Society.

He is currently on the Editorial Board or Associate Editor of several high ranked international journals, such as Gastroenterology, Hepatology, Surgery, Am J of Transpl, Journal of Hepatology. He was appointed Associate Editor of Ann of Surgery to cover the liver topics, and Editor for the ESA articles. He received many competitive grants and awards, including one of the most prestigious prices for scientific research in Switzerland, the Otto Naegeli Award, and the UEGW (European Union of Gastroenterology) award 2012 for his research in partial liver graft. He has also written several books, with the very popular book of “Medical Care of the Liver Transplant Patient” and an atlas of upper GI and HPB surgery. In 2014 he received the honorary fellowship at American College of Surgeons (ACS) and was appointed as “Professeur Associé” at Hôpital Paul Brousse Université Paris Sud, France. In 2016 he received the honorary fellowship at the American Surgical Association (ASA).