Dr. Aung Myint Oo @ Ye Jian Guo is a Senior Consultant Surgeon in the Department of General Surgery and an Assistant Chief Clinical Informatics Officer in Tan Tock Seng Hospital, Singapore. He is an Assistant Professor and an assistant clinical module lead (gastrointestinal system) with Lee Kong Chian School of Medicine, Nanyang Technological University of Singapore. He is also a clinical senior lecturer with the Yong Loo Lin School of Medicine, National University of Singapore. Dr. Aung completed his basic and advanced surgical training in Singapore. He was awarded Health Manpower Development Plan (HMDP) scholarship to undergo his fellowship training in advance minimally invasive upper gastrointestinal surgery at Seoul National University Bundang Hospital, Korea. He is the President of the Obesity and Metabolic Surgery Society of Singapore (OMSSS), Chairman of Chapter of General Surgeons, College of Surgeons, Academy of Medicine Singapore, the Preside-elect of SingSPEN (Society of Parenteral and Enteral Nutrition, Singapore) and the Vice President of the 10th Asia-Pacific Gastroesophageal Cancer Congress 2024 (APGCC). He is also a member of the Singapore Cancer Society Gastric Cancer Awareness Month Committee . He is an active member of international societies for endo-laparoscopic surgeons and bariatric surgeons. He is actively involved in the Digital Transformation Project of ELSA (Endoscopic and Laparoscopic Surgeons of Asia) and is also the Co-Chair of ELSA Communication & Informatics Committee. He is an active member of the EAES (European Association for Endoscopic Surgery) Education and Training Committee, the Communication Committee of International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO) and, the Surgical Specialty Board in General Surgery with the Royal College of Surgeons of Edinburgh(RCSEd, UK). He is also a council member of Medico-Legal Society of Singapore (MLSS). Dr. Aung is active in both clinical research and teaching. He was awarded the Ministry of Health Healthcare Research Scholarship in 2013 to pursue Master of Clinical Investigation (MCI) at National University of Singapore and he was conferred MCI in 2016. He is also a Co-Investigator of international gastric cancer research trials. Not only has he published his research works in peer reviewed medical journals, he is also a reviewer of peer-reviewed medical journals. He is currently an instructor of Advanced Cardiac Life Support (ACLS) and Advanced Trauma Life Support (ATLS) courses, as well as a core faculty/ faculty of the Surgical Residency programmes in Singapore. He is also an e-tutor of MSc in Surgical Science, Edinburgh Surgical Science Qualifications and ChM in General Surgery, University of Edinburgh, UK, He has been appointed as a visiting lecturer to the Department of Thoracic Surgery, University of Medicine 1, Yangon in Myanmar. He is also an active faculty member of SMACMEP (Singapore Medical Association Centre for Medical Ethics and Professionalism).