Fidji Simo Steps Down as OpenAI AGI Chief
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- Fidji Simo is departing her full-time role as OpenAI's AGI chief and transitioning to a "part-time advisor" role, announcing the move on X after a months-long medical leave.
- Simo said she experienced a "severe exacerbation of a chronic illness I've lived with for seven years" and that recovery would be "much longer and more complex" than anticipated, adding that navigating a "disabling disease that still has no cure" has been jarring.
- Simo's April medical leave announcement triggered a cascade of C-suite departures at OpenAI, including COO Brad Lightcap stepping aside for "special projects" and CMO Kate Rouch stepping down to focus on her health.
- Greg Brockman assumed control of OpenAI's product strategy during Simo's absence, and a mid-May reorganization placed him over four pillars: core product and platform; critical enterprise industries; consumer (health, commerce, personal finance); and core infrastructure, ads, data science, and growth.
- Brockman's reorganization memo, viewed by The Verge, said the restructuring would let OpenAI merge ChatGPT and Codex into "one unified agentic experience" by investing in "a single agentic platform."
- Sam Altman said on X he was "really sad about this" and grateful to Simo, who had previously served as OpenAI's CEO of applications before taking the AGI chief title.
Why it matters: Simo's exit is the latest in a months-long string of C-suite departures at OpenAI, leaving President Greg Brockman as the central figure overseeing product across four pillars and the push to unify ChatGPT and Codex into a single agentic platform. With no timeline for her return and a chronic illness that "still has no cure," the AGI mission loses a dedicated full-time lead at a critical moment in OpenAI's restructuring.
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