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Thinking Machines co-founder Lilian Weng rejoins OpenAI to lead AI research

By PulseAugur Editorial · [5 sources] ·

Lilian Weng, a co-founder of Thinking Machines Lab, has rejoined OpenAI after a brief departure from her startup. Weng cited health reasons for stepping down from Thinking Machines, where she was a co-founder alongside former OpenAI CTO Mira Murati. Upon her return to OpenAI, Weng will lead a team focused on advancing research into recursive self-improvement, aiming to develop next-generation AI models. AI

IMPACT This move highlights the intense competition for top AI safety talent and OpenAI's focus on recursive self-improvement research.

RANK_REASON High-profile researcher rejoins a major AI lab after a brief departure from a startup.

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AI-generated summary · Google Gemini · from 5 sources. How we write summaries →

Thinking Machines co-founder Lilian Weng rejoins OpenAI to lead AI research

COVERAGE [5]

  1. 36氪 (36Kr) TIER_1 中文(ZH) ·

    Thinking Machines co-founder Weng Li returns to former employer OpenAI

    OpenAI一位发言人证实，Thinking Machines Lab联合创始人翁荔将重返OpenAI。本周早些时候，她刚刚宣布因身体原因退出这家她和OpenAI前首席技术官米拉・穆拉蒂等人联合创立的公司。据一位知情人士透露，翁荔重返OpenAI后将将从事利用AI模型研发新一代模型相关工作，也就是递归自我改进方向的研究。（新浪财经）

  2. TechCrunch AI TIER_1 English(EN) · Amanda Silberling ·

    Thinking Machines co-founder Lilian Weng left the company citing health reasons, then joined OpenAI

    Weng previously served as the VP of AI Safety Research at OpenAI.

  3. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    Lilian Weng, co-founder of Thinking Machines and former VP of AI Safety Research at OpenAI, has left the company citing health reasons and re-joined OpenAI. The

    Lilian Weng, co-founder of Thinking Machines and former VP of AI Safety Research at OpenAI, has left the company citing health reasons and re-joined OpenAI. The high-profile researcher's departure and return highlights the intense competition for top AI safety talent. https:// te…

    LINKS techcrunch.com/…/thinking-machines-co-fou…
  4. Mastodon — mastodon.social TIER_1 English(EN) · sipirtu ·

    Lilian Weng, co-founder of Thinking Machines, left citing health reasons and has now rejoined OpenAI. Source: TechCrunch AI https:// techcrunch.com/2026/07/29/t

    Lilian Weng, co-founder of Thinking Machines, left citing health reasons and has now rejoined OpenAI. Source: TechCrunch AI https:// techcrunch.com/2026/07/29/thin king-machines-co-founder-lilian-weng-left-the-company-citing-health-reasons-then-joined-openai/ # AI # Automation

    LINKS techcrunch.com/…/thinking-machines-co-fou…
  5. Mastodon — mastodon.social TIER_1 English(EN) · [email protected] ·

    Thinking Machines co-founder Lilian Weng left the company citing health reasons, then joined OpenAI https://techcrunch.com/2026/07/29/thinking-machines-co-found

    Thinking Machines co-founder Lilian Weng left the company citing health reasons, then joined OpenAI https://techcrunch.com/2026/07/29/thinking-machines-co-founder-lilian-weng-left-the-company-citing-health-reasons-then-joined-openai/ # AI # Startups # OpenSource

    LINKS techcrunch.com/…/thinking-machines-co-fou…

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