Department of Medicine
Leadership
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| Dr. Paul O’Byrne Chair |
Vacant Deputy Chair |
Dr. Jeffrey Weitz Deputy Chair, Research |
Dr. Akbar Panju Deputy Chair, Clinical Programs |
Dr. Ameen Patel Department Education Coordinator |
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| Dr. Shariq Haider Internal Medicine Residency Program Director |
Ms. Annette Rosati Director of Administration |
Dr. Barry Lumb Chief of Medicine, Hamilton Health Sciences |
Dr. David Russell Chief of Medicine, St. Joseph’s Healthcare |
Dr. Sharon Marr Medicine Clerkship Director |
Division Directors |
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| Cardiology | Dr. Stuart Connolly |
| Clinical Immunology and Allergy | Dr. Judah Denburg |
| Clinical Pharmacology and Therapeutics | Dr. Anne Holbrook |
| Critical Care | Dr. Andreas Freitag |
| Dermatology | Dr. Judy Wismer |
| Emergency Medicine | Dr. Margaret Ackerman |
| Endocrinology | Dr. Hertzel Gerstein |
| Gastroenterology | Dr. Paul Moayyedi |
| General Internal Medicine | Dr. Akbar Panju |
| Geriatrics | Dr. Sharon Marr |
| Hematology and Thromboembolism | Dr. Shannon Bates |
| Infectious Diseases | Dr. Mark Loeb |
| Nephrology | Dr. Alistair Ingram |
| Neurology | Dr. John Turnbull |
| Physical Medicine and Rehabilitation | Dr. Shanker Nesathurai |
| Respirology | Dr. Gerard Cox |
| Rheumatology | Dr. Alfred A. Cividino |





