Dr. Gao was the Division Head of Anatomical Pathology and Cytopathology at the University of Calgary and Calgary Laboratory Services between 2007-2011. Since 2012, Dr. Gao has been the Chair and Chief of the Department of Pathology at McGill University. Since 2019, he has been the President of eCanadian Chairs of Pathology and Laboratory Medicine. In 2017, Dr. Gao became a Fellow of the Royal Society of Medicine (London UK) and a fellow of the Canadian Academy of Health Sciences. By November 2021, Dr. Gao will head the Department of Pathology and Laboratory Medicine at the University of British Columbia, Canada. As an educator, Dr. Gao teaches undergraduate medical students pathology courses, supervises graduate students, residents, and fellows. Dr. Gao has written three textbooks: The Clinical Skills Review for medical students, the Pathology Review and Practice Guide book for pathology residents and Gross Morphology of Common Diseases. As a research scientist, his research interest is on transplantation immunology and cancers of the gastrointestinal tract, especially on pancreatic cancer. He has published over 170 peer-reviewed articles in Lancet, Nature Medicine, and peer-reviewed pathology journals.