Fidji Simo
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Fidji Simo is a former OpenAI executive who recently stepped down from her role as part of OpenAI’s broader leadership shake-up. After leaving OpenAI, she launched the AI-focused startup ChronicleBio, which aims to use AI to analyze blood data to help break POTS patients into more granular cohorts for more targeted clinical drug trials. She has also been named to boards in connection with corporate milestones, including joining Nscale’s board ahead of a potential IPO and being added to OpenAI’s board alongside other new directors.
Updated 12 September 2026
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Signals
1 story (-67%)
Media momentum
As of 17 Sep 2026 · Visible stories in the last 30 days, compared with the 30 days before.
4 sources
Source diversity
As of 17 Sep 2026 · Distinct publications behind this entity's visible coverage.
Mar 2024 → Sep 2026
Coverage span
As of 17 Sep 2026 · First to most recent month of TLDRocket coverage of this entity.
Latest developments
OpenAI hired a wave of powerful female executives. Two years later, almost all are gone
Fortune ·
21
OpenAI hires new CRO as executive shake-up continues
TechCrunch · 1 month ago ·
40
Fidji Simo on her life after OpenAI and new startup, ChronicleBio
Fortune ·
1
OpenAI's big launch — and bigger departure
Platformer · 2 months ago ·
23
OpenAI Expands Leadership with Fidji Simo
OpenAI · 1 year ago ·
43
OpenAI announces new members to board of directors
OpenAI · 2 years ago ·
14
September 2026
August 2026
OpenAI appoints Dali Rajic as Chief Revenue Officer, replacing outgoing CRO Denise Dresser Executive move
- OpenAI hired a wave of powerful female executives. Two years later, almost all are gone
- OpenAI hires new CRO as executive shake-up continues
- Fidji Simo on her life after OpenAI and new startup, ChronicleBio
July 2026
OpenAI releases GPT-5.6 in multiple variants alongside frontier AI model releases from competitors Model release
May 2025
March 2024
OpenAI appoints new board members and confirms leadership team Executive move
Relationships
People
- Employed by OpenAI · 3 sources
- Employed by Instacart · 3 sources
- OpenAI employed by this person · 2 sources
- Founded by ChronicleBio · 1 source
- Nscale employed by this person · 1 source