Stephen D. Cassivi, MD, MSc, FRCSC
BACKGROUND
Professor of Surgery (Thoracic Surgery) – Mayo Clinic, Rochester, MN
Vice Chair – Department of Surgery – Mayo Clinic, Rochester, MN
Medical Director – Mayo Clinic Healthcare – London, United Kingdom
Washington University – Cardiothoracic Residency, St. Louis, Missouri
University of Toronto – General Surgery Residency, Toronto, Canada
University of Ottawa, Canada (M.D.)
University of Toronto, Canada (M.Sc.-Transplantation Biology/Gene Therapy)
University of Toronto Thoracic Surgery Research Laboratory (Gene Therapy / Lung Transplantation)
Fellow – Royal College of Surgeons of Canada (FRCSC)
American College of Surgeons (FACS)
American Board of Thoracic Surgery – certified
Fellow – Royal College of Surgeons – London (FRCS)
OTHER INTERESTS
Minimally Invasive Thoracic SurgeryThoracic OncologyQuality Measures in Thoracic SurgerySurgical treatment of Myasthenia GravisGene Therapy / Molecular BiologyRegenerative Medicine/Tissue EngineeringHealth Care PolicyArtificial Intelligence in SurgeryLong-term function after esophagectomyHockey
RESEARCH
Stephen D. Cassivi, M.D., is a thoracic surgeon (chest surgeon) with both clinical and research activities. His clinical interests and experience span the breadth of thoracic surgery with a specific expertise in minimally invasive thoracic surgery. Dr. Cassivi’s research looks into surgical quality and outcomes as well as applications for machine learning (AI) in diagnostics and remote monitoring.
EDUCATION & TRAINING
M.D. (Magna cum laude) – University of Ottawa, Ottawa, CanadaGeneral Surgery Residency – University of Toronto, Toronto, Canada (Gallie Program)
M.Sc. – University of Toronto, Toronto, CanadaClinician Investigator Program Graduate – Royal College of Physicians and Surgeons of CanadaCardiothoracic Surgery Residency – Washington University/Barnes-Jewish Hospital, St. Louis, Missouri, USAClinical Research Training Program (STS) – University of Colorado, Denver, Colorado, USAEx-vivo Lung Perfusion Course – Lund University, Lund, SwedenArtificial Intelligence in Health Care – Massachusetts Institute of Technology (MIT Management Executive Education Certificate)
Board Certified – American Board of Thoracic Surgery, Royal College of Physicians and Surgeons of Canada
AFFILIATIONS & ORGANIZATIONS
CTSNET CONTRIBUTIONS
- Energy Devices in Thoracic SurgeryApril 23, 2026
- Lung Surgery After Induction TherapyApril 23, 2026
