Board Certified in Internal Medicine, Hematology and Medical Oncology, Dr. Weitz focuses his clinical practice on patients with thrombotic disorders. His research spans the spectrum from basic studies in the biochemistry of blood coagulation and fibrinolysis to animal models of thrombosis and on to clinical trials of antithrombotic therapy. The breadth of his work is highlighted by his over 500 publications in journals as diverse as the Journal of Clinical Investigation, Journal of Biological Chemistry, Biochemistry, Circulation, Blood, Annals of Internal Medicine, New England Journal of Medicine and Lancet, and 60 book chapters. The recipient of numerous awards, Dr. Weitz is a Fellow of the American Heart Association, the Royal Society of Canada and the Canadian Academy of Health Sciences.