Prof Jimmy So’s special interests are in gastric cancer, esophageal cancer and obesity. He has published more than 140 peer reviewed scientific papers and received many research grants for his research work in these areas. He received a Gold Award at the annual scientific meeting of the National Healthcare Group. He was invited regularly to speak at International Gastric Cancer Congress, Annual Scientific Meetings of Japanese Gastric Cancer Association and Korean International Gastric Cancer Week. He has also presented his works at American Gastroenterological Association (AGA), American Society of Gastrointestinal Endoscopy (ASGE), Society of American Gastrointestinal Endoscopic Surgeons (SAGES), and World Congress of Endoscopic Surgery.

He is founding president of the Asia-Pacific Gastro-esophageal Cancer Congress in 2006. In 2013, he was the council member of the Consensus Meeting at the 10th International Gastric Cancer Congress, held at Verona, Italy. He is also a founding member of Asia-Pacific Bariatric Surgery Society. Prof So is a member of editorial board of medical journals such as Gastric Cancer, Journal of Gastric Cancer and Translational Medicine. He is a reviewer for a number of prestigious medical journals including New England Journal of Medicine, British Journal of Surgery, Annals of Surgical Oncology, Surgical Endoscopy and Digestive Disease and Science. Presently, he is actively involved in management of patients with gastric and esophageal cancers, morbid obesity and other Upper GI disorders.