Professor Rupert Leong is a Senior Staff Specialist gastroenterologist, Director of Endoscopy and Head of the Inflammatory Bowel Disease Services at Concord Hospital, Clinical Professor of Medicine at University of Sydney and Macquarie University, Sydney Australia. He was formally the Director of Gastroenterology at Bankstown Hospital, Conjoint Professor of Medicine at UNSW and Career Development Fellow (level 2 clinical) of the NHMRC. Prof Leong has made a substantial contribution to research with over 210 high quality scientific journals publications. Amongst these are senior authorship of national and international consensus guidelines in both Australia and in Asia. He is section editor of the Journal of Gastroenterology and Hepatology and on the international editorial boards of the American Journal of Gastroenterology, Alimentary Pharmacology and Therapeutics and Gastrointestinal Endoscopy.

Prof Leong is an executive member of a number of government bodies including the Agency for Clinical Innovation of NSW Health nominated for expertise in IBD and the Cancer Council of Australia Working Party on the revision of the clinical practice guidelines for colonoscopy and colorectal cancer, leading the section on surveillance colonoscopy in inflammatory bowel disease. Professor Leong was awarded the American Gastroenterological Association Fellowship by invitation on the basis of research excellence in 2012. He is the founding director of IBD Sydney, IBD School and IBD Masterclass.

As a clinician, Prof Leong is widely recognized for his endoscopy skills especially on the role of advanced imaging techniques and colon cancer diagnostic strategies. His private consultation rooms are at Macquarie University Hospital (Suite 404, 2 Technology Place, Macquarie Uni 98123880) on George St near Town Hall Station (Specialist Medical Services, Level 11, 501 George St, Sydney 83781721). His global reputation has led to speaking engagements and live endoscopy demonstrations around the world including in USA, Germany, China, Hong Kong, Singapore among others. He is a principle supervisor to PhD, MPhil and Masters by Research students and has supervised international gastroenterology fellows from Hong Kong, Singapore, Malaysia, Philippines, Sweden, UK, Wales, Ireland and Northern Ireland.