Darrell H. S. Tan

BSc (McGill University)
MD (University of Toronto)
PhD (University of Toronto)

Professional Interests

Management of HIV/AIDS, diagnosis and management of sexually transmitted infections, HIV co-infections, non-AIDS co-morbidities in HIV, biomedical HIV prevention including pre- and post-exposure prophylaxis, clinical trials.


Dr. Tan is an Assistant Professor in the Institute of Health Policy, Management and Evaluation and in the Department of Medicine at the University of Toronto, where his research focuses on clinical trials in the area of HIV co-infections, HIV co-morbidities, and biomedical HIV prevention.   He is the recipient of a New Investigator Award from the Canadian Institutes of Health Research, and also heads the newly formed HIV Clinical Prevention Research Unit in the Division of Infectious Diseases at the University of Toronto.   He is currently involved in leading 4 multicentre HIV clinical trials including Canada’s first demonstration project of pre-exposure prophylaxis (PrEP).

Other Affiliations

  • Clinician-Scientist, Division of Infectious Diseases, St Michael’s Hospital
  • Assistant Professor, Department of Medicine, University of Toronto
  • Associate Scientist; Toronto General Research Institute