Liam Fedus
Former VP of post-training research and co-creator of ChatGPT at OpenAI, now co-founder of Periodic Labs working on using LLMs, RL, and experiments to accelerate physical-science R&D.
Best podcasts with Liam Fedus
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306 snips
Sep 30, 2025 • 54min
Building an AI Physicist: ChatGPT Co-Creator’s Next Venture
Liam Fedus, co-creator of ChatGPT and now co-founder of Periodic Labs, teams up with Ekin Dogus Cubuk, former head of materials science at Google DeepMind, to discuss their innovative approach to automating physical science discovery. They dive into the importance of integrating LLMs with experimental data to tackle complex problems like superconductivity and magnetism. Their lab focuses on real-world experimentation, emphasizing the necessity of iteration and learning from failures. With a unique hiring philosophy and a commitment to bridging ML and experimental cultures, they aim to revolutionize how we engage with hard sciences.
149 snips
Oct 2, 2025 • 1h 1min
Training an AI Scientist with Feedback from Reality, w- Liam Fedus & Ekin Dogus Cubuk (from a16z)
Liam Fedus, a former OpenAI research leader who co-created ChatGPT, and Ekin Doğuş Çubuk, an ex-Google DeepMind head of materials research, discuss their groundbreaking venture, Periodic Labs. They aim to create AI-driven physical labs that connect real-world experiments with AI insights. Key topics include 'experiment-in-the-loop' strategies, measuring robotic success through superconductivity metrics, and the importance of cross-disciplinary teams. They highlight a unique culture prioritizing curiosity and collaboration, aiming to reshape scientific discovery through AI.
