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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.
Nuclear and Emerging Technologies for Space (NETS-2022) Plenary SPeaker
Tactical Technology Office (TTO)
Program Manager
DARPA
Maj. Nathan Greiner joined DARPA in July 2018 as a program manager in the Tactical Technology Office. His research interests include advanced power and propulsion technologies for land, sea, air, and space applications.
Before joining DARPA, Maj. Greiner completed a one-year fellowship at the Oak Ridge National Laboratory in Oak Ridge, Tennessee, where he focused on materials research. Previously, he served as a deputy branch chief and hypersonics research engineer in the U.S. Air Force Research Laboratory’s Aerospace Systems Directorate at Wright-Patterson Air Force Base, Ohio. He also has held positions as a liaison officer with U.S. Special Operations Command at Camp Lemonnier, Djibouti, and program manager for U.S. Special Operations Command at MacDill Air Force Base, Florida.
Maj. Greiner holds a Doctor of Philosophy in aeronautical engineering from the Air Force Institute of Technology, a Master of Science in mechanical engineering from the University of Utah, and a Bachelor of Science in mechanical engineering from the University of St. Thomas in St. Paul, Minnesota.
Last modified April 27, 2022, 4:36pm EDT
