Dr Bessone is full Professor of Gastroenterology at the University of Rosario Medical School (Argentina) and Ex-president of the Argentinian Association for Study of Liver Diseases (AAEEH). He is a teaching staff of both the “pregraduate course” for students and the ¨postgraduate career¨ in Gastroenterology and Hepatology at the University of Rosario Medical School. He earned his medical degree from the Rosario Medical School, and a Gastroenterology specialization from the Medical College of Rosario (Argentina). He is also specialist in Hepatology (title given by the Argentinian Ministery of Health and AAEEH). He has conducted a residency in Gastroenterology at the Hospital Provincial del Centenario, University of Rosario Medical School, as well as several fellowships in liver pathology, pediatric hepatology, liver transplantation and clinical hepatology at the Hospital Posadas in Buenos Aires (Argentina), Hospital de Clinicas (San Pablo-Brazil), and Hospital Clinico y Provincial de Barcelona (Spain). He has participated as a principal investigator and/or co-investigator in more than 50 clinical trials. He has been invited as a guest professor in several foreign universities, and has received 7 academic awards (best research work) from the AAEEH. His main research areas include hepatotoxicity and viral hepatitis. He is a coordinator of the Spanish - Latin American registry of hepatotoxicity (SLATINDILI) in Argentina. He is part of the experts committee for the study of viral hepatitis and the bevaluating panel to give the title of new hepatologists. He is a reviewer and a editorial staff member of several journals . He is an author of more than 80 published papers, 25 chapters in books, and more than 100 papers presented at meetings.