Skip to main content

Dennis Ko

Senior Core Scientist (Full Status)

ICES Affiliation
  • ICES Central
  • Cardiovascular Research Program


Fatima Alas, Research Administrative Coordinator, 416-480-4055


Contact Dennis Ko

@denniskomd ‏


  • Post-doctorate, Cardiology Fellowship, Yale University
  • Post-doctorate, Interventional Cardiology Fellowship, University of Toronto
  • MSc, Health Policy, Management and Evaluation, University of Toronto
  • MD, University of Ottawa

Research Focus

  • Cardiovascular disorders
  • Comparative effectiveness research
  • Health services research

Other Affiliations

  • Professor, Medicine, University of Toronto
  • Interventional Cardiologist, Schulich Heart Centre, Sunnybrook Health Sciences Centre
  • Senior Scientist, Sunnybrook Research Institute (SRI)

Recent ICES Grants

Recent Awards & Recognition

  • Heart and Stroke Foundation Mid-Career Investigator Award

    2016: Awarded to Dr. Dennis Ko in recognition of his influential research related to cardiovascular disease.

  • Senior Investigator Award

    2015: Awarded to Dr. Dennis Ko by the Sunnybrook Department of Medicine. The award is presented to a faculty member appointed over five years and has made a contribution to basic science, clinical epidemiology, health services or education research.

  • Goldie Award for Research

    2014: Dr. Dennis Ko received the Goldie Award for Research at the University of Toronto Department of Medicine's Annual Day for a contribution of notable merit to the advancement of sound knowledge within 10 years of faculty appointment.

Recent ICES Publications

Sex-based differences in severe outcomes, including cardiovascular hospitalization, in adults with COVID-19 in Ontario, Canada

Behrouzi B, Sivaswamy A, Chu A, Ferreira-Legere LE, Abdel-Qadir H, Atzema CL, Jackevicius C, Kapral MK, Wijeysundera HC, Farkouh ME, Ross HJ, Ha ACT, Tadrous M, Paterson M, Gershon AS, Dzavík V, Fang J, Kaul P, van Diepen S, Goodman SG, Ezekowitz JA, Bainey KR, Ko DT, Austin PC, McAlister FA, Lee DS, Udell JA. JACC Adv. 2023; May 10 [Epub ahead of print]. DOI:

News coverage