American Society of Hematology
With more than 18,000 members from nearly 100 countries, the American Society of Hematology (ASH) is the world's largest professional society serving both clinicians and scientists around the world who are working to conquer blood diseases. ASH's mission is to further the understanding, diagnosis, treatment, and prevention of disorders affecting the blood, bone marrow, and the immunologic, hemostatic and vascular systems, by promoting research, clinical care, education, training, and advocacy in hematology.