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Retired Professor of Dermatology, Internal Medicine and Clinical Pharmacology, University of Toronto, Toronto, Canada

Professor Shear is Head of Dermatology at Sunnybrook Health Sciences Centre. His primary academic research is in Drug Safety, including basic mechanisms that lead to increased risk for drug-induced harm. His practice is considered advanced medical dermatology. Diseases of focus are atopic dermatitis, psoriasis, auto-immune blistering disease, drug-induced diseases, hidradenitis suppurativa, cutaneous lymphomas and auto-immune skin disease.

Professor Shear trained in Engineering Science (University of Toronto), Medicine (McMaster), Internal Medicine (FRCPC), Dermatology (FRCPC) and Clinical Pharmacology (Hospital for Sick Children, Toronto).

Past positions include President of the Canadian Dermatology Association, President of the Canadian Society of Clinical Pharmacology, President of the Canadian Professors of Dermatology, President of the Canadian Dermatology Foundation and Head of Dermatology at University of Toronto. He has been an honoured visiting professor over 50 times, made an honorary member of the Société Française de Dermatologie (2017) and the Scottish Dermatological Society, recipient of the Lifetime Achievement Award of the Ontario Medical Association, and many teaching awards. Dr. Shear has been an author of over 60 text book chapters, Editor of Litt’s Drug Eruption Manual, and co-editor of the text Advances in Diagnosis and Management of Cutaneous Drug Eruptions (2019) as well as over 400 peer-reviewed publications. Shear has had the pleasure of mentoring 40 postgraduate fellows from Canada and abroad; as well as a large number of dermatologists and clinical pharmacologists in Canada.


Professor Shear is a consultant to AbbVie, Amgen, Bausch Medicine, Novartis, Sanofi-Genzyme, UCB, Leo Pharma, Ostuka, Janssen, Alpha Laboratories, Lilly, ChemoCentryx, Vivoryon, Galderma, Innovaderm, ChromoCell, and Daichi.