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
2025 ANS Winter Conference & Expo
November 9–12, 2025
Washington, DC|Washington Hilton
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
Oct 2025
Jul 2025
Latest Journal Issues
Nuclear Science and Engineering
November 2025
Nuclear Technology
Fusion Science and Technology
Latest News
Leak-tightness test on deck for SRS mega unit
The Savannah River Site in South Carolina will begin a leak-tightness test to qualify the megavolume Saltstone Disposal Unit (SDU) 10 to store up to 33 million gallons of solidified, decontaminated salt solution produced at the site.
J. Clay Sell has served as Chief Executive Officer of X-energy since January 2019 and has led the company through a period of dramatic transformation and growth in product development investment, U.S. government funding awards, private capital raised, and customer commitments. Mr. Sell has deep professional expertise across many sectors of the international and U.S. energy industry developed through his service in senior level positions in the private sector and government.
From 2008-2018, Mr. Sell was the president of Hunt Energy Horizons, LLC, the renewable energy subsidiary of Hunt Consolidated, Inc., a multinational energy, real estate, and investment corporation controlled by the Ray L. Hunt family of Dallas. Previously, he held positions for 14 years in the U.S. government, as Deputy Secretary of Energy in the George W. Bush Administration from 2005-2008, as a Special Assistant to the President from 2003-2005, and in senior staff positions in the U.S. Senate and House of Representatives.
Mr. Sell holds a Juris Doctorate from the University of Texas School of Law and a BBA in Accounting from Texas Tech University.
Last modified September 26, 2025, 2:51pm EDT
