ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Explore membership for yourself or for your organization.
Conference Spotlight
Nuclear Energy Conference & Expo (NECX)
September 8–11, 2025
Atlanta, GA|Atlanta Marriott Marquis
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
Latest Magazine Issues
Jul 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
August 2025
Nuclear Technology
Fusion Science and Technology
July 2025
Latest News
Hash Hashemian: Visionary leadership
As Dr. Hashem M. “Hash” Hashemian prepares to step into his term as President of the American Nuclear Society, he is clear that he wants to make the most of this unique moment.
A groundswell in public approval of nuclear is finding a home in growing governmental support that is backed by a tailwind of technological innovation. “Now is a good time to be in nuclear,” Hashemian said, as he explained the criticality of this moment and what he hoped to accomplish as president.
ICRS 14/RPSD 2022 speaker
Jeff recently retired from Oak Ridge National Laboratory after a 42-year career dedicated to radiation transport methods development and applications primarily directed towards shielding design and national security missions. Jeff started his career in the Reactor Analysis Section of the Operations Division at ORNL in 1978 after receiving his BS degree in Nuclear Engineering from the University of Tennessee-Knoxville (UTK). He worked on his MS and PhD research as a UT Graduate Research Assistant at ORNL from 1978–1986, obtaining his ME in 1980, and PhD in 1987, both in Nuclear Engineering from UTK. He joined the Engineering Physics Division at ORNL as a research staff member in 1986. Over the course of his career at ORNL, Jeff functioned as a research and development staff member, a lead technical integrator, team leader, group leader, project/program manager, program developer/relationship manager, and retired as the Director of the Nuclear Threat Initiative (NTI) for the National Security Sciences Directorate.
Last modified July 29, 2022, 10:45am PDT
