Deep Fission Welcomes Former Kairos Power Executive as VP of Engineering

BERKELEY, Calif.--(BUSINESS WIRE)--Deep Fission Inc., a nuclear energy company transforming the industry by placing small modular reactors (SMRs) a mile underground, is thrilled to announce the appointment of Mark Pérès as Vice President of Engineering. Bringing over four decades of industry experience, Pérès’ hire underscores Deep Fission’s commitment to building a world-class engineering team dedicated to delivering safe and reliable carbon-free energy.

Before joining Deep Fission, Pérès held prominent engineering, design, and project management roles across the sector. He previously served as Vice President of Engineering at Kairos Power, where he led the engineering and project management teams designing the Hermes Test Reactor. He also held key positions at NuScale Power, Fluor, Los Alamos National Laboratory, and the U.S. Department of Energy’s Hanford K Basins Spent Nuclear Fuel and Liquid Waste Treatment facilities. He started his career as a Reactor Operator at the Fast Flux Test Facility, a 400 MWt sodium cooled fast spectrum reactor.

“Mark is an outstanding addition to our leadership team,” said Elizabeth Muller, co-founder and CEO of Deep Fission. “His expertise and passion align perfectly with our mission, and his extensive experience across every stage of nuclear’s lifecycle will help us bring our pioneering technology to market.”

“Deep Fission’s bold vision for lowering the cost of nuclear power is exactly what the industry needs at this pivotal moment,” said Mark Pérès, Vice President of Engineering at Deep Fission. “I’m honored to join such a talented, forward-thinking team, and I’m excited about the impact we’re going to have. Together, we’ll improve lives by reducing harmful pollutants, tackling climate change, and providing abundant, reliable electricity to power the future.”

Pérès is a lifelong learner currently pursuing a PhD in Nuclear Engineering at the University of South Carolina, where he also serves as an adjunct professor. He holds a Bachelor’s degree in Mechanical Engineering from Montana State University and a Master’s in Mechanical Engineering from Washington State University. Additionally, he is a registered Professional Engineer in Washington State and a certified Project Management Professional.

With the arrival of Pérès, Deep Fission will continue to build out its team of top-tier engineers and nuclear experts, bolstering the company’s capacity to deliver safe, high-performance nuclear solutions as part of the global transition to sustainable, reliable power.

About Deep Fission

Deep Fission is revolutionizing the energy landscape by putting 15MW small modular reactors a mile underground. The team of leading scientists, engineers, and visionaries is driven by a shared commitment to advancing safe and reliable low-carbon energy solutions. Headquartered in Berkeley, CA, the company has raised $4 million in pre-seed funding from investors, led by 8VC. For more information visit deepfission.com.