Associate Professor Barreto is a Gastrointestinal and Hepato-Pancreato-Biliary (GI & HPB) surgeon and researcher. Dr Barreto obtained his fellowship in GI & HPB Surgical Oncology at the Tata Memorial Hospital in Mumbai. He subsequently trained in Liver Transplant Surgery in South Australia. His career includes appointments as Consultant Surgical Oncologist at the Department of GI & HPB Surgical Oncology, Tata Memorial Centre, Mumbai India and Consultant Surgeon in the Department of GI Surgery, GI Oncology and Bariatric Surgery, Medanta – The Medicity. He is a Fellow of the Royal Australasian College of Surgeons and an Associate Professor in the College of Medicine and Public Health, Flinders University, South Australia. He is currently a Consultant HPB Surgeon at the Flinders Medical Centre and Dy. Director, Flinders MD, CMPH, Flinders University, South Australia. He is also the Coordinator of MD Advanced Studies, Flinders University.

Associate Professor Barreto secured his Doctor of Philosophy degree from Flinders University, South Australia for his research into the pathophysiology and treatment of acute pancreatitis. Dr Barreto’s interests focus on the basic science and surgical aspects of acute pancreatitis, pancreatic, and gallbladder cancer. He has published a Carcinogenesis model in Gallbladder cancer to aid the understanding of the development of the cancer and to further therapy-directed research. He, along with Professor John Windsor, have proposed the first evidence-based definition of early gastric cancer. Dr. Barreto has authored more than 200 clinical and basic science research papers as well as book chapters on GI and HPB-related topics and has been invited to lecture on his work all over the world. He is the Associate Editor for the Indian Journal of Surgery. He is a member of the ISGPS and serves on the Editorial Boards for Pancreatology and World Journal of Surgery, amongst others. He is the Editor of the Book ‘Surgical Diseases of the Pancreas and Biliary Tree’. He is a member of the Indian Council of Medical Research Task force group that developed the guidelines for managing Pancreatic, Gastric, and Neuroendocrine cancers in India.