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OpenAI exec leaves to found materials science startup | TechCrunch
Liam Fedus, OpenAI's VP of research for post-training, is leaving the company to found a materials science AI startup. The Information initially reported Fedus' plans. In a statement on X, Fedus confirmed the report and added a few additional details. "My undergrad was in physics and I'm keen to
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OpenAI's Head of Post-Training Liam Fedus Departs to Build AI for Science Startup
Fedus, who led OpenAI's post-training team, which is responsible for fine-tuning AI models for public release, shared his decision in a message to colleagues, stating he intends to remain involved with OpenAI as a partner while pursuing new opportunities in AI for science. He expressed excitement
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Another exit at OpenAI: VP of research for post-training leaves to start own AI firm
In a post on X, OpenAI's vice president of research for post-training, said OpenAI is planning to invest and partner in his new venture. These are early days for AI in materials science, and Fedus' venture would be competing with Google DeepMind and Microsoft. Liam Fedus, OpenAI's vice president
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Liam Fedus, OpenAI's VP of research for post-training, leaves the company to found a materials science AI startup, with OpenAI planning to invest and partner in the new venture.

Liam Fedus, OpenAI's Vice President of Research for Post-Training, has announced his departure from the company to establish a new startup focused on applying artificial intelligence to materials science
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. This move marks another significant exit from OpenAI, following recent departures of other high-profile executives.Fedus, who joined OpenAI in 2022 after roles at Google Brain and academic research in physics and machine learning, played a crucial role in developing ChatGPT and advanced reasoning models like Strawberry
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. His decision to leave stems from a desire to return to his roots in physics and apply AI technology to scientific research.In a statement on X, Fedus explained, "My undergrad was in physics and I'm keen to apply this technology there. Because AI for science is one of the most strategically important areas to OpenAI and achieving [artificial superintelligence], OpenAI is planning to invest in and partner with my new company"
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.Fedus' new venture will enter the nascent but rapidly growing field of AI-driven materials science. This area has seen significant interest from major tech companies:
Google DeepMind: In 2023, DeepMind's AI system, Graph Networks for Materials Exploration (Gnome), reportedly discovered 2.2 million new crystals, including 380,000 stable materials with potential applications in future technologies
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.Microsoft: Recently unveiled two AI tools for materials discovery - MatterGen and MatterSim. MatterGen predicts materials with unique properties based on scientific principles, while MatterSim assesses the stability and viability of MatterGen's predictions
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Fedus' exit is part of a broader trend of high-profile departures from OpenAI:
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.The departure of Fedus and the creation of his new startup, backed by OpenAI, highlight the growing importance of AI applications in scientific fields, particularly materials science. This development could potentially accelerate innovations in new materials discovery, impacting various industries from electronics to energy storage and beyond.
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