Dr. Jeffrey Weitz is a distinguished medical researcher and internationally recognized leader in thrombosis and hemostasis research. He serves as Professor of Medicine and Biochemistry and Biomedical Sciences at McMaster University and Executive Director of the Thrombosis and Atherosclerosis Research Institute in Hamilton, Canada. Board certified in Internal Medicine, Hematology, and Medical Oncology, Dr. Weitz has dedicated his clinical practice to treating patients with complex thrombotic disorders while maintaining his prestigious academic appointments. His professional journey includes holding the Heart and Stroke Foundation J.F. Mustard Endowed Chair in Cardiovascular Research and the Canada Research Chair in Thrombosis, establishing him as a central figure in cardiovascular medicine. As Past President of the International Society on Thrombosis and Haemostasis, he has significantly influenced global research directions in blood coagulation disorders.
Dr. Weitz's research program spans the entire spectrum from fundamental biochemistry of blood coagulation and fibrinolysis to animal models of thrombosis and clinical trials of antithrombotic therapies. His laboratory's groundbreaking investigations have produced over 650 publications in premier journals including Blood, Circulation, The Lancet, and The New England Journal of Medicine, cementing his reputation as one of hematology's most influential researchers. His work on the mechanisms of thrombosis has directly informed international clinical practice guidelines and therapeutic approaches for managing venous thromboembolism and arterial thrombotic disorders. The development and evaluation of novel anticoagulant therapies through his clinical trials have substantially improved treatment options for millions of patients worldwide while balancing efficacy with bleeding risk management. His extensive scholarly contributions, comprising more than 76 book chapters, have educated generations of clinicians and researchers across the hematology and cardiovascular fields.
Recognized with prestigious honors including the Officer of the Order of Canada and fellowships in the American Heart Association, Royal Society of Canada, and Canadian Academy of Health Sciences, Dr. Weitz's impact extends far beyond his institution. His leadership encompasses editorial roles for major hematology journals and active participation in committees that develop international guidelines for thrombotic disorder management. Currently directing the Thrombosis and Atherosclerosis Research Institute, he continues to pioneer innovative approaches to personalize antithrombotic therapy while minimizing bleeding complications. As a dedicated mentor, Dr. Weitz has trained numerous fellows and junior investigators who have established successful careers globally, ensuring the continued advancement of thrombosis research. His ongoing work promises to further refine risk stratification strategies and develop next-generation anticoagulants that will transform the management of thrombotic diseases for decades to come.