Jean-Michel Pawlotsky, MD, PhD is Professor of Medicine at the University of Paris-Est. He is the Director of the National Reference Center for Viral Hepatitis B, C and Delta and of the Department of Virology at the Henri Mondor University Hospital in Créteil, France, and Director of the Department of Molecular Virology and Immunology at the "Institut Mondor de Recherche Biomédicale" (INSERM U955). He focuses on teaching, diagnosis and research in virology, primarily hepatitis viruses.Dr Pawlotsky earned his medical degree in Hepatology and Gastroenterology in 1992. In addition, he earned a Thesis in molecular virology from the University of Paris, France, and he is a graduate in virology from the Pasteur Institute in Paris and microbiology from the University of Paris. Dr Pawlotsky is active in numerous professional societies, and has been acting as the Secretary General of the European Association for the Study of the Liver (EASL) between 2005 and 2009. He is a member of the Scientific College and President of Scientific Commission 4 (CSS4) and Concerted Action 33 (AC33) of the French National Agency for AIDS and Viral Hepatitis Research (ANRS). Dr Pawlotsky has been an Associate Editor ofHepatology, the official journal of the American Association for the Study of Liver Diseases (AASLD), between 2001 and 2006, and currently serves as a Liver Consultant and Guest Associate Editor of Gastroenterology, the official journal of the American Gastroenterological Association (AGA), and an Associate Editor of Clinical Microbiology and Infection, the official journal of the European Society for Clinical Microbiology and Infection (ESCMID). He is a member of the Editorial Board ofGastroenterology, the Journal of Hepatology, Therapeutic Advances in Gastroenterology, and European Gastroenterology and Hepatology Review. Dr Pawlotsky's noted career contributions include the publication of over 350 articles and book chapters in his areas of expertise.