American Society for Radiation Oncology (ASTRO)

Radiation oncologists, radiation oncology nurses, medical physicists, radiation therapists, dosimetrists and biologists comprise ASTRO’s more than 10,000 members, making it the largest radiation oncology organization of its kind. These medical professionals, found at hospitals and cancer treatment centers around the globe, make up the radiation therapy treatment teams that are critical in the fight against cancer. These teams, which often include a nutritionist and a social worker, treat more than 1 million cancer patients each year.

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 healthcare environment.

National Association for Proton Therapy (NAPT)

The National Association for Proton Therapy is registered as an independent, nonprofit, public-benefit corporation providing education and awareness for the public, professional and governmental communities. Founded in 1990, it promotes the therapeutic benefits of proton therapy for cancer treatment in the U.S. and abroad.

Particle Therapy Co-Operative Group (PTCOG)

PTCOG is an organization for those interested in proton, light ion, and heavy charged particle therapy. The steering committee consisting of members from various particle therapy centers all over the world. Dr. Markus Fitzek, a radiation oncologist at MPRI, is a member of the committee.