Medical School, University of Bari, 1979-1985; Doctor in Medicine cum laude on November 11, 1985. Specialist in Gastroenterology on July 28, 1989 University of Bari. Research Associate Department of Surgery, University of Pittsburgh, USA, 1986-1990. Philosophy Doctor 1995. Gastroenterology Specialist in the Gastroenterology Section, Policlinic University Hospital, Bari, Italy 1995-2006. Research Associate in Gastroenterology 2006-2013, University of Bari. Chief of Gastroenterology Unit 2013-2014, University of Foggia, Italy. Research Associate in Gastroenterology from November 1, 2014 until now, University of Bari. Teaching activities, Prof. of Gastroenterology,  Faculty of Medicine, University of Bari. Member of Italian Association for the Study of Liver Disease since 1987. Member of Italian Association of Gastroenterology since 1994. Member of the Italian Association for Parenteral and Enteral Nutrition since 2011. The scientific interest during the first years of research has been focused on the study of factors that modulate proliferative processes using various experimental models in vivo and in vitro. In the last decade, the scientific activity has been more focused on liver and colorectal cancer in humans. Several studies have been performed on the influence of sex steroid hormones on the development of these tumors. In addition, the therapy and pathogenesis of hepatocellular carcinoma have been widely studied. Moreover, studies on the policies of organ allocation for liver transplantation have led to the publication of several scientific papers in this field of research. Recently, humans studies on dietary aspect in celiac disease and in the field of artificial nutrition have been performed.