Raja Affendi Raja Ali graduated from National University of Ireland (NUI), with honours degree in medicine in 2000 (M.B., B.Ch., B.A.O.), and completed internship, senior house officer and registrar based training at the University Hospital Galway and its affiliated teaching hospitals. He received Membership of RCP Ireland and RCP Edinburgh in 2004 and Masters in Medical Science (M Med.Sc) from NUI in 2005. From 2005 to 2010, he underwent a higher medical training as a specialist registrar in gastroenterology, hepatology and internal medicine at the various teaching hospitals in Ireland, receiving certificate of completion of specialist training (CCST) by the RCP Ireland. He also completed a higher diploma in clinical teaching at the NUI as well as conferred a doctorate of Medicine, MD degree for his research on relationship between inflammatory bowel disease and colorectal cancer at the department of Clinical Pharmacology and Therapeutics and Regenerative Medicine, NUI. He then undertook a consultant physician and gastroenterologist at the University Hospital Galway before returning to the The National University of Malaysia Medical Centre, Kuala Lumpur to take up a consultant physician and gastroenterologist and associate professor in Medicine. He has been awarded several research grants by the Ministry of Higher Education, Malaysia and industries. His research interest focuses on inflammatory bowel disease, irritable bowel syndrome, colorectal cancer and gut microbiome.