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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!
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Latest News
Senate EPW Committee to hold Nieh nomination hearing
Nieh
The Senate Environment and Public Works Committee will hold a nomination hearing Wednesday for Ho Nieh, President Donald Trump’s nominee to serve as commission at the Nuclear Regulatory Commission.
Trump nominated Nieh on July 30 to serve as NRC commissioner the remainder of a term that will expire June 30, 2029, as Nuclear NewsWire previously reported.
Nieh has been vice president of regulatory affairs at Southern Nuclear since 2021, though since June 2024 he has been at the Institute of Nuclear Power Operations as a loaned executive.
A return to the NRC: If confirmed by the Senate, Nieh would be returning to the NRC after three previous stints totaling nearly 20 years.
Decommissioning Environmental Science and Remote Technology 2021 Speaker
Since October 2021, Dr. Holahan has served as a Special Assistant in the Division of Rulemaking, Environmental and Financial Support. Prior to that she was the Director of the Division of Decommissioning, Uranium Recovery and Waste Programs in the Office of Nuclear Material Safety and Safeguards where she led the management of the NRC's program for the regulation of Decommissioning, Low-Level Waste (LLW), and Uranium Recovery functional areas in close coordination with other Federal agencies, States, and Native American Tribal Governments, licensees, and the public. From October 2017 to August 2019, she was the Director of Rulemaking where she led the NRC’s core function of rulemaking for the reactor and materials programs. From October 2014 to October 2017, Dr. Holahan served as the Director of the Office of Enforcement. She has been with NRC since 1991 and has held a variety of staff and management positions in NMSS, the Office of Nuclear Security and Incident Response, and and also served as a Technical Assistant to former Chairman Meserve.
Before joining NRC, Dr. Holahan worked as a Consultant Radiation Biologist and an Assistant Professor for the University of Texas’ Health Science Center, in San Antonio. She received her Ph.D. in Radiation Biology from Colorado State University. She earned a Bachelor of Science (Honours) and Master’s Degree in Biophysics from the University of Western Ontario.
Last modified November 10, 2021, 3:54pm EST
