Dr. Didier Samuel, MD, PhD, is Professor of Hepatology and Gastroenterology at Université Paris-Sud, Villejuif, France. Prof Samuel is also Medical Director of the Liver Transplant Program, and Head of both the Liver and Intensive Care Units at Centre Hepatobiliaire of Hôpital Paul Brousse in Villejuif. In addition, he is Director of Inserm Research Unit 785 at Université Paris Sud. Prof Samuel obtained his MD in 1985 and his PhD in 1994 from Université Paris-Sud, and served his internship at Hôpitaux de Paris. His research focuses on liver transplantation, viral hepatitis, HIV, liver failure and hepatocellular carcinoma. He is a member of several scientific societies, including the Council of the International Liver Transplantation Society (ILTS, acting as President-elect), the American Association for the Study of Liver Diseases (AASLD), and European Association of the Study of the Liver (EASL, he was member of the Scientific Committee 2000-2003). He serves currently as Editor-in-Chief of Journal of Hepatology (2010-2014). Prof Samuel has published over 340 articles in peer-reviewed scientific journals and textbooks, with a H-index of 55 and has given over 300 lectures at international congresses. In 2007, he was honored with the AASLD Achievement in Liver Transplantation Award. In 2010 he was awarded in France with the Legion d'Honneur.