In a sector known for complexity, regulation, and long timelines, Liz
Muller is doing the unthinkable: making nuclear energy faster, cheaper,
and more scalable—starting a mile underground.
As the co-founder of Deep Isolation and now CEO of Deep Fission, Liz
has built a reputation as an “actionivist”—someone who doesn’t just talk
about solving global issues like climate change, but builds real
companies to tackle them head-on. Whether it's rethinking how we
handle nuclear waste or redesigning nuclear reactors to drive down cost
and construction time, Liz is reshaping what’s possible in the world of
clean energy.

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When you talk to Lisa Marshall, it quickly becomes clear that her impact on the nuclear industry isn’t just about her title as President of the American Nuclear Society. It’s about the intentional, tireless, and deeply human way she shapes the future of nuclear education and workforce development.

Key Takeaways from Lisa’s Interview

• Performance opens doors. Lisa didn’t have a technical background when she started, but her curiosity and commitment led to opportunities in teaching, advising, and national leadership.
• Education is more than curriculum. From hands-on projects to mentorship, students need environments that nurture confidence, communication, and resilience.
• Professional skills matter. Calling them “soft” undercuts their importance. The ability to collaborate, communicate, and adapt is what makes the difference in long-term success.
• Start early, stay engaged. Building a nuclear workforce isn’t just about college—it’s about early exposure, practical experiences, and continuous mentorship.
• Go slow to go far. Lisa’s approach to leadership is about long-term investment, not one-off events. She believes relationship-building and thoughtful engagement are the true foundations of growth.

Download the Episode: Hear Lisa’s Full Story

Whether you’re a student exploring your first internship, a university leader shaping the future of engineering education, or an industry veteran reflecting on the next generation—this episode with Lisa Marshall is one you don’t want to miss.

🎧 Download the full podcast to hear Lisa’s journey, her insights on workforce development, and why servant leadership just might be the secret sauce to building a better future in nuclear.

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Meet Kimberly Cook-Nelson, Executive Vice President of Nuclear Operations and Chief Nuclear Officer at Entergy. With over two decades of leadership in the nuclear industry, she oversees the safe and reliable operation of Entergy’s four nuclear plants and five reactors across Arkansas, Louisiana, and Mississippi. Her expertise spans nuclear safety, regulatory compliance, and operational excellence. A licensed professional engineer, she holds an MBA, a master’s in engineering management, and a bachelor’s in mechanical engineering from the University of New Orleans, along with completing Harvard Business School’s Advanced Management Program.

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Stay connected with us for more insights on Nuclear, innovation, CleanTech, and the future of sustainable.