University of Pennsylvania

Professor of Gastroenterology, Catholic University, Gemelli Hospital, Rome, Italy

Professor of Surgery, Icahn School of Medicine at Mount Sinai

Professor of Hepatology, University of Edinburgh

Associate Professor of Internal Medicine

Department of Medicine - University of Padova, Italy

Gladys and Roland Harriman Professor of Medicine, Weill Cornell Medical College

Consultant Hepatobiliary and Pancreatic Surgeon, Oxford University Hospitals NHS Trust

Virginia Commonwealth University

Li Shu Fan Medical Foundation Professor in Surgery, University of Hong Kong