Dr. Liu began his studies in 1983 at the Henan Medical University in Zhengzhou, China, where he graduated with a degree in Medicine (MD). He then started working as a residence in Department of Medicine, the Second Affiliated Hospital of Henan Medical University. He completed his academic studies with a PhD in mucosal immunopathology of inflammatory bowel disease (IBD) from the University of Leuven in Belgium. He then made his way to the United States and joined Beth Israel Deaconess Medical Center in Harvard Medical School and University of Connecticut Health Center as a Research Fellow. It was there that he investigated intestinal mucosal immune responses and inflammatory injury. In 2005 Dr. Liu moved back to China and worked as a Professor of Medicine and Gastroenterologist to take care of his IBD patients and focus on basic research in intestinal mucosal immunology. With extraordinary achievement in clinical and mucosal immunology study, he serves as the Chairman of the Department of Gastroenterology, Shanghai Tenth People’s Hospital of Tongji University in Shanghai, China. Since April 2023, Prof. Liu takes the Chairman of the Asian Organization for Crohn’s and Colitis (AOCC).