Associate Lab Director for Nuclear Science & Technology at Idaho National Laboratory. We're changing the world's energy future by advancing nuclear energy.

Idaho Falls, ID
JUST IN: @INL’s Hot Fuel Examination Facility is now a Nuclear Historic Landmark recognized by @ANS_org. A remarkable legacy of innovation in nuclear fuel and a critical capability for building the future of nuclear energy.
JUST IN: @INL's Hot Fuel Examination Facility was recognized as a Nuclear Historic Landmark by @ANS_org today, highlighting its legacy and ongoing contributions to our lab's mission and the #nuclear industry. Read more ⬇️ inl.gov/news/hot-fuel-examin… #NuclearEnergy #NuclearFuel
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A great visit to @INL with @rookisaacman, highlighting INL’s role in NASA’s plans for the future of space exploration. 🚀⚛️ I especially appreciate Justin Coleman’s leadership in building a great team in space fission power. Great people, great mission, great momentum. postregister.com/news/local/…
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Thank you for visiting @rookisaacman It was an honor to have you @INL and I appreciate your inspiring message. Let's go!
Great day at Idaho National Laboratory, one of America’s most important centers for advancing the nuclear technologies that will power our future on Earth and in space. The progress underway on SR-1 Freedom was especially exciting to see. For more than 60 years, taxpayers have invested billions in space nuclear technology. Yet America has flown just one reactor in space, and it never left Earth orbit. We’re changing that. SR-1 Freedom is our Nautilus. Like the first ship of the Nuclear Navy, it does not need to begin as the perfect end-state system. It needs to fly, establish operating experience, and give us the foundation for increasingly capable reactors and spacecraft that follow. That progress on nuclear energy can ultimately provide dependable power for the Moon Base, enable more ambitious exploration throughout the outer solar system, and help produce the spacecraft that someday carry astronauts to Mars and bring them home safely. NASA should be working on the near-impossible capabilities others are not positioned to pursue. Nuclear power and propulsion in space belongs squarely in that category. Thank you to @GovernorLittle, @CongMikeSimpson, DOE Deputy Secretary James Danly, the entire @INL workforce, and our partners at @ENERGY for the work underway to finally get America moving on nuclear power in space. SR-1 is just the beginning. The Nuclear NASA is coming.
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Jess Gehin retweeted
🗓️Aug. 12 | 🕖7 p.m. |📍Frontiers Center, Idaho Falls Join us for the first public screening of @INL's The Road to Advanced Nuclear #documentary for a deep dive into the world of #AdvancedNuclear & our role in it! ⚛️🎥 Reserve your spot now: eventbrite.com/e/screening-r…
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Congratulations to @Oklo to achieving criticality of Groves!
JUST IN: @Oklo's Groves Isotopes Test Reactor achieved criticality. Congrats!👏 @INL's role in this milestone: 🔹Conducting independent reviews of engineering calculation reports 🔹Providing radiological training 🔹Tailoring occupational, safety & health implementing procedures
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Jess Gehin retweeted
In 1951, four lightbulbs flickered to life by #NuclearEnergy in the Idaho desert, changing the world forever. ⚛️💡 After five decades of continuous milestones, @INL is leading the most ambitious #nuclear energy push since Apollo 11. Watch the full film: piped.video/watch?v=kLmq7Hs3…
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Great event with a few thousand of my closest friends!
After sharing #nuclear achievements & vision for the future with the press at the @INL Site today, @SecretaryWright joined INL & DOE-Idaho staff members, reactor developer leadership, and local, state, & federal stakeholders to celebrate the success. 👏   inl.gov/nuclear-energy/accel…
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ATR is the world's premier material test reactor and nearly every nuclear fuel and material being developed in the US goes through this reactor for testing. I work closely with the ATR Associate Lab Director on our mission to develop these advanced fuels and materials that are essential to our nations nuclear future. Consider applying for encourage others to apply. I cannot understate how important this role is.
Every once in a while, a role comes along that is genuinely one of a kind. @INL is searching for an Associate Laboratory Director for the Advanced Test Reactor. This is that role. ATR is the coolest reactor on the planet — supporting @ENERGY, the @USNavy's @USNavyNNPP, @NASA, and the future of nuclear energy through 2085. Salary: $420K–$490K | Deadline: Aug. 1 Opportunities like this are rare – don't let it pass you by. 📧 robyn.stojakovich@inl.gov 🔗 careers.inl.gov/hcmUI/Candid… #NowHiring #NuclearEnergy #ResearchReactor #NuclearResearch
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Jess Gehin retweeted
Gordon Petersen was named director of @ENERGY's Center for Used Fuel Research. Congrats! 👏⚛️ Hosted at @INL, the Center advances used #NuclearFuel safety, storage and transportation solutions. Learn more ➡️ brnw.ch/21x3qPj @govnuclear #NuclearEnergy #NuclearReactors
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🚀 Deadlines approaching! NRIC is now accepting applications for access to the Demonstration of Microreactor Experiments (DOME) test bed. Find the RFA here --> brnw.ch/21x3iNZ
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Thank you to everyone who made the Nuclear Science & Technology Annual Family Picnic and Corn Hole Tournament such a great event. It was wonderful to spend time with colleagues, friends, and families outside the workplace and strengthen the connections that make NS&T such a special team. Ann and I came up short in the tournament, but we’re already looking forward to another shot next year! Now back to working on reactors!
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Some critics are downplaying yesterday's accomplishment. I can assure you it was no small achievement. Criticality is the point where design, analysis, fabrication, and testing come together. Yesterday, Antares got there. whatisnuclear.com/rickover.h…
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What a historic day. Congratulations to @AntaresNuclear!
Antares Mark-0 has achieved initial criticality! ⚛️
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Jess Gehin retweeted
Antares Mark-0 has achieved initial criticality! ⚛️
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It was a great @INL tour with Director Kratsios! Thanks for visiting @mkratsios47
ICYMI: @WHOSTP47 Director @mkratsios47 toured @INL exactly one year since @POTUS signed #NuclearEnergy executive orders. ⚛️ 🤝 The visit showcased our role as America's #NuclearEnergy national lab. More on our #nuclear innovation: inl.gov/nuclear-energy/
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Jess Gehin retweeted
.@WHOSTP47 Director @mkratsios47 toured @INL today – exactly one year since @POTUS signed #NuclearEnergy executive orders. ⚛️ 🤝 The visit showcased our role as America's #nuclear energy national lab. WATCH ⬇️ inl.gov/nuclear-energy/
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Jess Gehin retweeted
In this month’s edition of Power Up, learn about @INL: 🚀 helping the U.S. achieve #EnergyDominance in space. ⚛️ collaborating with @nvidia to accelerate #NuclearEnergy development. 💡 creating a more ViBRANT future for #nuclear energy. Check it out ⬇️ linkedin.com/pulse/how-us-co…
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Jess Gehin retweeted
NOW HIRING deputy director of engineering @INL's Materials & Fuels Complex. Duties: Lead complex programs, guide multidisciplinary teams & influence strategies advancing U.S. #nuclear energy, #NationalSecurity & #CriticalInfrastructure. Apply by April 9: careers.inl.gov/hcmUI/Candid…
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