Dr. Fung has been with NLM for over 20 years as a postdoctoral fellow and staff scientist. During that time, he has published high-impact research on COVID, HIV/AIDS, and adverse drug reactions, and other topics. He also developed several biomedical terminology products such as: SNOMED CT to ICD-10-CM Map, the CORE Problem List Subset, and RxTerms.

Previously, as a senior executive manager in health informatics at the Hong Kong Hospital Authority, Dr. Fung helped plan, design, and implement clinical information systems in 14 public hospitals serving over 5 million patients. He is also a former physician and surgeon who has been honored with fellowships from several surgical colleges. Dr. Fung earned his MD from the University of Hong Kong, his MS in Computer-Based Information Systems from the University of Sunderland, and his MA in Biomedical Informatics from Columbia University.