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.
Division Spotlight
Operations & Power
Members focus on the dissemination of knowledge and information in the area of power reactors with particular application to the production of electric power and process heat. The division sponsors meetings on the coverage of applied nuclear science and engineering as related to power plants, non-power reactors, and other nuclear facilities. It encourages and assists with the dissemination of knowledge pertinent to the safe and efficient operation of nuclear facilities through professional staff development, information exchange, and supporting the generation of viable solutions to current issues.
Meeting Spotlight
International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering (M&C 2025)
April 27–30, 2025
Denver, CO|The Westin Denver Downtown
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
Apr 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
June 2025
Nuclear Technology
Fusion Science and Technology
May 2025
Latest News
Two updated standards on criticality safety published
The American National Standards Institute (ANSI) recently approved two new American Nuclear Society standards covering different aspects of nuclear criticality safety (NCS).
Nuclear and Emerging Technologies for Space (NETS-2023) Plenary SPeaker
Senior Vice President for Policy and Public Affairs
Nuclear Energy Institute
John Kotek is Senior Vice President for Policy and Public Affairs at the Nuclear Energy Institute, and serves as President of Nuclear Matters, a national coalition of grassroots advocates working to inform the public and policymakers about the clear benefits of nuclear energy. Prior to joining NEI, John served as Acting Assistant Secretary for Nuclear Energy in the US Department of Energy. From 2010-2012, John served as Staff Director to the Blue Ribbon Commission on America’s Nuclear Future, which was charged with recommending a new strategy for the nation’s nuclear waste management program. In 2002, John was the American Nuclear Society’s Congressional Fellow. John began his career with the U.S. Department of Energy in 1989, and has also served as an R&D program manager at Argonne National Laboratory and as a public affairs consultant. He holds a BS in Nuclear Engineering from the University of Illinois and an MBA from the University of Maryland.
Last modified December 2, 2022, 7:08am MST
