Professor Ang is Chief and Senior Consultant at the Department of Gastroenterology and Hepatology, Changi General Hospital, Singapore. He is Adj Professor at the Yong Loo Lin School of Medicine, National University of Singapore and Clinical Professor at Duke-NUS Medical School. He has subspecialty clinical interests in pancreaticobiliary diseases, image enhanced endoscopy and endoscopic resection of early GI neoplasia, and advanced therapeutic endoscopy, in particular therapeutic ERCP and interventional EUS. His current research interests include the use of image enhancement technologies and artificial intelligence in endoscopy, pancreaticobiliary endoscopy, as well as H pylori and gut microbiome. He is Chairperson, Gastroenterology Residency Advisory Committee, Singapore. He is a Council Member of the Academy of Medicine, Singapore, and Asia Pacific Association of Gastroenterology. He previously served as Chairperson of the Chapter of Gastroenterologists, Academy of Medicine, Singapore, and is past President of the Gastroenterological Society of Singapore.