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Founded in 1958, ASTRO’s mission is to advance the practice of radiation oncology by promoting excellence in patient care, providing opportunities for educational and professional development, promoting research and disseminating research results and representing radiation oncology in a rapidly evolving health care environment.

ASTRO is the premier radiation oncology society in the world, with more than 10,000 members who are physicians, nurses, biologists, physicists, radiation therapists, dosimetrists and other health care professionals who specialize in treating patients with radiation therapies. These medical professionals, found at hospitals, cancer treatment centers and academic research facilities around the globe, make up the radiation therapy treatment teams that are critical in the fight against cancer. Together, these teams treat more than one million cancer patients each year. As the leading organization in radiation oncology, the Society is dedicated to improving patient care through professional education and training, support for clinical practice and health policy standards, advancement of science and research and advocacy.

ASTRO provides members with the continuing medical education, health policy analysis, patient information resources and advocacy that they need to succeed in today’s ever-changing health care delivery system.

Board and Leadership

The property and affairs of the Society are managed by or under the direction of the Board of Directors. The Board is composed of 15 members.

Strategic Plan

Through a combination of five overarching goals with associated strategies designed to achieve those goals, ASTRO will continue to attain advances in the field of radiation oncology.

Diversity and Inclusion

ASTRO is committed to promoting diversity, health equity and inclusion within the organization as well as the field of radiation oncology.

COI Policies

As a society of professionals, ASTRO seeks to maintain the undisputed primacy of certain ethical interests.


ASTRO was founded November 18, 1958, as a club by 58 radiotherapists who were looking for representation of their specialty.

Jobs at ASTRO

Our staff thrives on working together to promote and advance the field of radiation oncology to help people living with a diagnosis of cancer.
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