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
Reactor Physics
The division's objectives are to promote the advancement of knowledge and understanding of the fundamental physical phenomena characterizing nuclear reactors and other nuclear systems. The division encourages research and disseminates information through meetings and publications. Areas of technical interest include nuclear data, particle interactions and transport, reactor and nuclear systems analysis, methods, design, validation and operating experience and standards. The Wigner Award heads the awards program.
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
May 2025
Fusion Science and Technology
Latest News
Sam Altman steps down as Oklo board chair
Advanced nuclear company Oklo Inc. has new leadership for its board of directors as billionaire Sam Altman is stepping down from the position he has held since 2015. The move is meant to open new partnership opportunities with OpenAI, where Altman is CEO, and other artificial intelligence companies.
General Chair:
Joseph Dominguez (President and Chief Executive Officer, Constellation)
Program Chair:
Sue Aggarwal (President & CEO, NMNTI)
Assistant Program Chair:
Jim Byrne (Byrne & Assoc.)
Student Program Cochairs:
Iza Lantgios (University of Pittsburgh)
Teddy Chu (Virginia Commonwealth University)
Organizer Biographies
General Chair
Joseph Dominguez is president and CEO of Constellation Energy, overseeing its nuclear, wind, solar, hydroelectric, and natural gas facilities in 19 states as well as its retail and commodities business, providing energy-related products and services to two million customers nationwide. Previously, he was CEO of ComEd, which powers the lives of more than four million residential and business customers in Illinois. Prior to this, Dominguez was executive vice president of governmental and regulatory affairs and public policy at Exelon, where he led federal, state, and regional governmental regulatory, and public-policy strategies. Earlier in his career, he was partner in the law firm of White and Williams. Dominguez is a former assistant US attorney for the Eastern District of Pennsylvania.
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