ZettaJoule

ZettaJoule modernizes proven nuclear technology with advanced SMRs delivering up to 950 °C clean heat and electricity for applications beyond conventional reactors.

ZettaJoule’s advanced SMRs generate up to 950°C clean heat and zero-carbon power for industries like oil & gas, steelmaking, and aviation.

ZettaJoule’s 30 MWth high-temperature SMR produces up to 950°C zero-carbon heat and electricity for industrial use.

Rafael Mariano Grossi, IAEA Director-General, met with Mitsuo Shimofuji, CEO/Co-Founder ZettaJoule Inc. and Rumina Velshi, Co-Founder ZettaJoule Inc., during their official visit to the Agency headquarters in Vienna, Austria. 25 October 2024.

The Texas A&M Engineering Experiment Station (TEES) has signed an agreement with ZettaJoule, an advanced small modular reactor company with operations in the U.S. and Japan, to explore building a transformative research reactor in College Station, TX.

ZettaJoule, KK, a subsidiary of U.S.-based ZettaJoule, Inc., today announced the appointment of Yasushi Fukuizumi as Deputy CEO, effective April 23, 2025.

The page provides updates on ZettaJoule’s company announcements, press releases, and blog posts.

ZettaJoule offers career opportunities in engineering, operations, and other fields.

Asahi Chikaoka, Co-Founder, ZettaJoule KK Engineer, leads ZettaJoule’s reactor core design, focusing on neutronics analysis and core geometry optimization.

Abdul S. Usmani, IT Manager, leads ZettaJoule’s U.S. IT operations, enterprise infrastructure, cloud architecture, and technology governance to ensure secure, reliable, and compliant systems.

Aldo Capristo, Senior Vice President of Corporate Service and Safety at ZettaJoule, brings 40 years of U.S. nuclear experience, advising on workforce development initiatives and partnerships.

Andrea Veil leads regulatory strategy for deploying ZettaJoule’s high-temperature gas-cooled reactor (HTGR) SMRs, with 32 years of experience in nuclear licensing.

ZettaJoule is unlocking the full potential of proven advanced SMR technology to deliver clean heat and electricity to industries worldwide.

The page provides contact information for careers, investor inquiries, and supplier partnerships in advanced nuclear technology.

Advanced small modular reactors built on proven HTGR technology, delivering up to 950°C clean heat and electricity for industrial applications.

The page explains how ZettaJoule collects, uses, and protects personal information on its website.

The page outlines the terms and conditions for accessing and using the ZettaJoule website and its materials.

ZettaJoule Inc. hires nuclear industry veteran **John Kotek** as Executive Vice President of External Affairs. Kotek brings decades of experience in nuclear energy policy and stakeholder relations to the advanced nuclear technology firm. His appointment strengthens ZettaJoule’s leadership in navigating regulatory and public engagement challenges.

Nov 2026zetta-joule.comNews article

ZettaJoule Inc. names Kian Granmayeh as Chief Financial Officer to drive the company’s growth in advanced nuclear energy. Granmayeh brings energy finance expertise to support ZettaJoule’s expansion efforts. The appointment aligns with the company’s focus on scaling its nuclear technology solutions.

Sep 2026zetta-joule.comNews article

ZettaJoule’s senior leaders and staff engage with students at the 2026 American Nuclear Society Student Conference in College Station, Texas. The event brings together attendees from across the U.S. to discuss nuclear science and leadership. ZettaJoule participates in networking and mentorship activities during the three-day conference.

May 2026zetta-joule.comNews article

ZettaJoule, an advanced nuclear energy developer, joins the Texas Nuclear Alliance (TNA) as a member. The company specializes in deploying small modular reactors (SMRs). This partnership aligns with the alliance’s focus on expanding nuclear energy solutions in Texas.

May 2026zetta-joule.comNews article