Fidji Simo Steps Down
Fidji Simo, OpenAI's No. 2 executive, steps down due to health issues, transitioning to a part-time advisory role
Key points
- Fidji Simo, OpenAI's CEO of Applications, is stepping down from her full-time role due to ongoing medical leave for a neuroimmune condition
- Simo will transition to a part-time advisory role, after joining OpenAI in May 2025 and previously serving as CEO of Instacart
- The move leaves OpenAI's CEO Sam Altman searching for a successor, as the company considers a possible IPO
- Other recent changes at OpenAI include the departure of COO Brad Lightcap, CMO Kate Rouch, and CPO Kevin Weil
- OpenAI president Greg Brockman has taken charge of product strategy, leading four pillars: core product, enterprise industries, consumer, and core infrastructure
Fidji Simo, a key executive at OpenAI, is stepping down from her full-time role due to ongoing health issues. Simo, who joined OpenAI in May 2025 as CEO of Applications, will transition to a part-time advisory role. This move comes after Simo took medical leave in April for a neuroimmune condition. OpenAI's CEO Sam Altman will now need to find a successor, as the company considers a possible initial public offering (IPO). The changes at OpenAI are part of a broader reorganization, with president Greg Brockman taking charge of product strategy and leading four key pillars: core product, enterprise industries, consumer, and core infrastructure. Other executives who have recently left OpenAI include COO Brad Lightcap, CMO Kate Rouch, and CPO Kevin Weil.
Sources
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