ANTONIO GASBARRINI (male), born in Bologna the October 11th 1963, is Full Professor of Internal Medicine at the Università Cattolica of Rome. He is also the Director of Postgraduated School in Internal Medicine in the same institution. Chairman of Medical and Surgical Sciences Department and Director of Internal Medicine and Gastroenterology Unit at the Fondazione Policlinico Universitario Gemelli IRCCS. He obtained his Medical Degree at the University of Bologna and specialties in Internal Medicine and Gastroenterology in the same institution. He completed his training in the University of Bologna and in the University of Pittsburgh in Pittsburgh (USA). His fields of interests are: Irritable Bowel Syndrome and Inflammatory Bowel Disease, Gut Microbiome and Metabolome, acute and chronic Liver insufficiency, viral hepatitis, hepatocellular carcinoma and Liver transplantation, celiac disease and intestinal malabsorption. He is the winner of over 30 national and international prizes or awards, member of numerous international associations and of over 15 journal editorial boards, and author of more than 1000 scientific publications (h-index = 87) and over 35.000 citations. He gained international recognition for his pioneering work in the field of microbiota related disorders, microbiota signature of diseases, microbiota modulation and fecal microbiota transplantation.