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
Jun 2025
Jan 2025
Latest Journal Issues
Nuclear Science and Engineering
August 2025
Nuclear Technology
Fusion Science and Technology
July 2025
Latest News
Experimenters get access to NSUF facilities for irradiation effects studies
The Department of Energy’s Office of Nuclear Energy announced the recipients of “first call” 2025 Nuclear Science User Facilities (NSUF) Rapid Turnaround Experiment (RTE) awards on June 26. The 23 proposals selected from industry, national laboratories, and universities will receive a total of about $1.4 million. While each project is led by a different principal investigator, some call the same organization home. A total of 17 companies, labs, and universities are represented.
2020 ANS Virtual Winter Meeting Plenary Session Appearance
John L. Hopkins is chairman and CEO of NuScale Power, LLC, a leading U.S.-based advanced small modular reactor technology development company.
Prior to joining NuScale in 2012, Hopkins was with Fluor Corporation since 1989, one of the world’s largest publicly-traded engineering, procurement, fabrication, construction and maintenance companies. Hopkins held numerous leadership positions in both operations and business development globally.
From 2010 to 2013, Hopkins served as Fluor’s group president for the corporate development and Emerging Markets. He also had oversight of Fluor Government Group and Fluor global sales and marketing.
Active in a variety of professional and business organizations, Hopkins currently serves as chairman of the Compensation and Succession Committee of the U.S. Chamber of Commerce, Washington, D.C., and was formerly the chairman of the executive committee and chairman of the board. Most recently, he was appointed to the Department of Energy’s (DOE) Nuclear Energy Advisory Committee (NEAC). He is a member of the Nuclear Energy Institute Executive Committee and Task Force Member, Atlantic Council. He is a senior policy advisor of I Squared Capital, New York. He has also served as the senior executive member of both the Fluor Netherlands and Fluor United Kingdom board of directors; chairman of the board for Savannah River Nuclear Solutions, LLC; and as a director of the Business Council for International Understanding.
Last modified November 5, 2020, 10:19am EST