Fidji Simo, OpenAI's number two, steps down for medical reasons

Fidji Simo, OpenAI's head of applications, steps back from her executive role.

Published 7sem3 sources✓ ConfirmedNotableupdated 6sem

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She will take a part-time advisory position due to a chronic illness.

This decision follows seven years of battling the condition.

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Auto-synthesis from 3 media sources · identified on July 10, 2026