News Summary

• Thinking Machines Lab cofounder Lilian Weng said she's stepping down from her role because of stress and illness.
• Earlier this year, OpenAI executive Fidji Simo took medical leave before stepping away completely from her full-time role to become a part-time advisor.
• XAI cofounder Greg Yang also shifted into an informal advisory role after he was diagnosed with Lyme disease.
• The tech industry has spent the past few years touting the need to go "hardcore" and enter "founder mode" to compete.