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Conference Spotlight
2026 Nuclear Energy Conference & Expo (NECX)
August 24–27, 2026
Dallas, TX|Hilton Anatole
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Nuclear Science and Engineering
September 2026
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Fusion Science and Technology
August 2026
Latest News
Oklo’s Isotope Test Reactor achieves criticality
Oklo’s Groves Isotope Test Reactor became the fifth Department of Energy–authorized reactor to achieve criticality under the agency’s authorization process, it was announced earlier today.
Criticality was reached at 9:19 p.m. (EDT) on Wednesday at the company’s Groves facility in Lockhart, Texas, according to the DOE.
2025 ANS Annual Conference
As Site Vice President of Constellation Generation's Limerick Clean Energy Center, Mr. Gillin is responsible to ensure safe and reliable operation of the site. He ensures that the facility is operated at the highest level of performance and consistently provides power for approximately 2 million homes and businesses in the region. Mr. Gillin has more than 26 years of commercial nuclear industry experience. He began his career with Constellation at the Limerick Generating Station. Mr. Gillin has held several leadership roles at the Limerick Generating Station including Senior Manager Plant Engineering, Shift Operations Superintendent, Operations Director, and Plant Manager. Mr. Gillin has also held senior leadership roles across the fleeting including Plant Manager of the Oyster Creek Generating Station, Vice President of Central Design Engineering, and Vice President of Corporate Engineering.
Mr. Gillin received his Bachelor of Mechanical Engineering and Master of Business Administration degrees from Villanova University. He also earned his Senior Reactor Operator license at Limerick in 2006.
Last modified May 1, 2025, 12:30pm CDT