American Society of Hematology (ASH)

With more than 18,000 members from nearly 100 countries, the ASH is the world's largest professional society serving both clinicians and scientists around the world who are working to conquer blood diseases.


American Society of Pediatric Hematology/Oncology (ASPHO)

ASPHO is a multidisciplinary organization dedicated to promoting the optimal care of children, adolescents and young adults with blood disorders and cancer by advancing research, education, treatment, and professional practice. ASPHO is the only professional organization dedicated solely to the professional development and interest of subspecialists in pediatric hematology/oncology.


Hemostasis and Thrombosis Research Society (HTRS)

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. 


International Society on Thrombosis and Haemostasis (ISTH)

ISTH advances the understanding, prevention, diagnosis and treatment of conditions related to thrombosis and hemostasis. The Society is dedicated to transformative scientific discoveries and clinical practices, the development of young professionals and the education of physicians, scientists and allied health professionals wherever they may live.


European Association for Haemophilia and Allied Disorders (EAHAD)

EAHAD is a multidisciplinary association of healthcare professionals who provide care for individuals with hemophilia and other bleeding disorders. Its members include hematologists, internists, pediatricians, nurses, physiotherapists, laboratory scientists and researchers from across Europe.


European Haemophilia Consortium (EHC)

The European Haemophilia Consortium (EHC) is an international non-profit organization that represents 47 national patients’ organizations of people with rare bleeding disorders from 27 Member States of the European Union (EU) and most Member States of the Council of Europe.


World Federation of Hemophilia - Treatment Guidelines (WFH)

The mission of the WFH is to improve and sustain care for people with inherited bleeding disorders around the world. It works to fulfill a vision of “Treatment for All” and connects a global network of national member organizations (NMOs) in 140 countries.