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

Lilian Weng, co-founder of Thinking Machines, stepped down due to health issues before rejoining OpenAI to lead a team on AI research. She cited stress and workload concerns, prompting her departure but indicated she might face less pressure at OpenAI. Mira Murati, a Thinking Machines co-founder, expressed her support for Weng prioritizing health.

Key points

  • Lilian Weng cited health issues as her reason for leaving Thinking Machines.
  • She mentioned the consistent stress and workload were unsustainable for her health.
  • Weng previously worked at OpenAI as VP of AI Safety Research.
  • She will lead a new team at OpenAI focused on recursive self-improvement in AI.
  • Mira Murati, co-founder and former CTO of Thinking Machines, supported Weng's decision and emphasized the importance of health.

Why it matters

  • The rise in health concerns among tech executives reflects broader trends in work-life balance.
  • In 2025, high competition for AI talent and innovation in AI safety will continue to shape the industry's landscape.
  • Weng's situation mirrors experiences of other tech leaders leaving startups for more stable roles in larger organizations.

Weng's transition illustrates ongoing challenges in the fast-paced tech world and highlights the importance of prioritizing health amidst industry competition.