Lex Fridman Podcast
Lex Fridman Podcast

#485 – David Kirtley: Nuclear Fusion, Plasma Physics, and the Future of Energy

Nov 17, 2025

<p>David Kirtley is a nuclear fusion engineer and CEO of Helion Energy, a company working on building the world&#8217;s first commercial fusion power plant by 2028.<br /> Thank you for listening ❤ Check out our sponsors: <a href="https://lexfridman.com/sponsors/ep485-sc">https://lexfridman.com/sponsors/ep485-sc</a><br /> See below for timestamps, transcript, and to give feedback, submit questions, contact Lex, etc.</p> <p><b>Transcript:</b><br /> <a href="https://lexfridman.com/david-kirtley-transcript">https://lexfridman.com/david-kirtley-transcript</a></p> <p><b>CONTACT LEX:</b><br /> <b>Feedback</b> &#8211; give feedback to Lex: <a href="https://lexfridman.com/survey">https://lexfridman.com/survey</a><br /> <b>AMA</b> &#8211; submit questions, videos or call-in: <a href="https://lexfridman.com/ama">https://lexfridman.com/ama</a><br /> <b>Hiring</b> …

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