About ANS
- ANS is committed to advancing, fostering, and promoting the development and application of nuclear sciences and technologies to benefit society.
About Nuclear
- Explore the many uses for nuclear science and its impact on energy, the environment, healthcare, food, and more.
Membership
- Explore membership for yourself or for your organization.
Conferences & Courses
- Conference Spotlight
  2026 Nuclear Energy Conference & Expo (NECX)
  August 24–27, 2026
  Dallas, TX|Hilton Anatole
Publications & Standards
- Latest Magazine Issues
  Aug 2026
  Jan 2026
  2026
  Latest Journal Issues
  Nuclear Science and Engineering
  September 2026
  Nuclear Technology
  September 2026
  Fusion Science and Technology
  August 2026
- Latest News
  The transformation of the NRC: 50 years of commissioners
  The dust is beginning to settle following the whirlwind of changes at the Nuclear Regulatory Commission over the past year, and 2025 ultimately may be viewed as a transformative year, as well as the year the NRC celebrated its golden anniversary. The 12 months of that milestone year brought more change to the agency in its composition, its mandate, and its relationship to the executive branch than any comparable period in the preceding four decades.
  Now at 51 years and counting, the NRC is working with a full commission and issuing new rulemakings to both regulate and support the next round of nuclear deployments. With the turbulence of 2025 still fresh in our minds, Nuclear News decided it was a good time to revisit the professional backgrounds of all 42 NRC commissioners who have served over the agency’s 50-year history to see how the composition of the commission has evolved over time.
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John Arthur (Jay) Mullis II

Kenneth J. Rueter

James W. Behrens
Madeline A. Feltus
Narasimha Prasad Kadambi

Robert F. Penn, Jr.

Kevin R. O'Kula

John Bennion

Remy DeVoe
Justin Knowles, Sekazi Mtingwa

Mimi Holland Limbach

Roger W. Tilbrook

John W. Landis

K.K.S. Pillay
France C. Bres-Tutino
Guenther Kessler

William F. Vogelsang

Ira Bornstein
Y. G. Post

Morton E. Wacks
Karl E. J. Wirtz

A. Dixon Callihan

James F. Schumar

Chih H. Wang
Octave J. Du Temple

Ralph G. Chalkea

Louis G. Stang, Jr.

Raymond D. Maxson

Walter F. Friend