The Hemostasis and Thrombosis Research Society, Inc. (HTRS) is the leading North American professional society dedicated to research, mentoring, workforce development, and continuing medical education for physicians, investigators, and all health care professionals interested in advancing care for people with hemostatic and thrombotic disorders.

Our members are physicians, researchers, nurses, nurse practitioners, pharmacists, medical laboratory scientists, representatives from industry, and other allied healthcare professionals involved in caring for pediatric and adult patients with bleeding and/or thrombotic disorders.