Marion is a Paediatric Gastroenterologist at NUH/NUS, where she is the Head of the Paediatric GI and Liver service. Other than clinical care, Marion is passionate about people development, as well as training the next generation of doctors and paediatricians. She has held various educational portfolios. These include Chair of the School’s standardized patient program, Chair of the Admissions committee, Assistant Dean (Education), Program Director Paediatric Residency (NUHS), as well as Education Director (NUH). Marion currently serves as the Vice Dean (Students) for the Medical School, where her focus is on enabling student wellbeing and holistic development.