American Society of Hematology

About the American Society of Hematology

With more than 17,000 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.


The Society'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.

ASH Annual Report

Browse the 2018 ASH annual report, highlighting the Society’s progress and achievements over the past year.

History of ASH

Learn about ASH’s rich history and its role in developing the field of hematology over the last six decades.

Structure and Governance

Learn about ASH’s governing committees, bylaws, and conflict-of-interest policy.

Corporate Support

Discover opportunities to support ASH initiatives, including meetings and awards.

Careers at ASH

Explore all open positions at ASH and find a career opportunity that matches your interests and aspirations.

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