Trailblazing Nuclear Industry Leader Kym Harshaw Joins ZettaJoule as General Counsel

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HOUSTON--(BUSINESS WIRE)--Feb 6, 2026--

Trailblazing nuclear industry leader and distinguished attorney Kym Harshaw has been named General Counsel of ZettaJoule Inc., an advanced small modular reactor company.

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ZettaJoule General Counsel Kym Harshaw

Harshaw brings both operational and legal expertise to ZettaJoule’s mission-critical work. She will lead ZettaJoule’s legal strategy and risk management for regulatory, corporate and commercial matters, advise the CEO and leadership team, and oversee governance, key contracts and partnerships. She is admitted to practice law in Texas, Washington, D.C., and Virginia.

Harshaw recently served as Interim President and CEO of STP Nuclear Operating Company where she was also a member of the Board of Directors.

She was among the first women in the U.S. to successfully complete the ultra-rigorous process to obtain a Senior Reactor Operator license, authorizing her to make safety-critical decisions and lead control room operators at a commercial nuclear plant.

“Having been in the industry for so long, it’s an honor to help bring small modular reactors to the market, especially using tech based on an existing reactor,” Harshaw said. “This is something exciting.”

“We feel truly privileged to have Kym as part of the team,” ZettaJoule Co-Founder, President and CEO Mitsuo Shimofuji said. “Her extraordinary expertise will be crucial as we continue building a strong foundation for our rapidly expanding company.”

“Kym is a super star who is an amazing addition to our company,” ZettaJoule Co-Founder and Chief Commercial Officer Jeff Harper said. “I can’t wait to see how she’ll transform our corporate governance and regulatory strategy.”

About ZettaJoule Inc.

ZettaJoule Inc. is developing advanced small modular reactors that will operate at temperatures up to 950°C, providing uninterrupted zero-carbon heat and power solutions for industrial and commercial customers in the U.S. and abroad. ZettaJoule and its affiliated companies have offices in Houston, Texas – the Energy Capital of the World – as well as the Washington, D.C. area, Tokyo and Mito, Japan. Visit www.Zetta-Joule.com

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KEYWORD: UNITED STATES NORTH AMERICA CANADA TEXAS

INDUSTRY KEYWORD: NUCLEAR ENERGY OTHER ENERGY

SOURCE: ZettaJoule Inc.

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PUB: 02/06/2026 05:06 PM/DISC: 02/06/2026 05:06 PM

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