Dr. Geerts is Professor of Medicine at the University of Toronto in Canada. He is also Director of the Thromboembolism Program at Sunnybrook Health Sciences Centre in Toronto.
His clinical practice is restricted to venous thromboembolism and his research interests involve the diagnosis, treatment, and prevention of thromboembolic disease, as well as guideline implementation and quality of care improvement.
For the past ten years, he has been chair of the Prevention of Venous Thromboembolism section of the ACCP Guidelines on Antithrombotic Therapy. He is currently the leader of the Safer Healthcare Now! initiative to improve the use of thromboprophylaxis across Canada. Dr. Geerts chairs the science committee for the Venous Disease Coalition.