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3569

Fidji Simo

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Fidji Simo
CEO & Co-Founder of
ChronicleBio (2025)
About

Fidji Simo is Co-Founder of ChronicleBio, a techbio startup on a mission to cure complex chronic conditions by building an AI-ready biological data platform for neuroimmune disorders like POTS, ME/CFS, and Long COVID.

Before founding

Born in Sete, France, Simo was the first in her family to graduate high school and earned a Master of Management from HEC Paris, completing her final year at UCLA Anderson School of Business.

Founder Insights

Simo herself lives with POTS, a chronic neuroimmune condition, fueling her personal conviction that AI and large-scale biological data can unlock cures that traditional research has failed to deliver.

Experience

She spent a decade at Meta building Facebook's advertising business and leading the Facebook app, then served as CEO of Instacart, guiding it through a landmark Nasdaq IPO in 2023, before joining OpenAI as CEO of Applications reporting directly to Sam Altman.

Scale & Impact

ChronicleBio has raised $15M, performed hundreds of blood draws across multiple US states and India in its first year, and is developing what Simo calls the 'internet of biology' to transform chronic disease drug discovery.

3569

Fidji Simo

ChronicleBio
Founder & CEO
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Fidji Simo

Company(s)

ChronicleBio

Industry

Healthtech & Biotech

Year Founded

2025

Stage/Funding

Seed • $15M

Company Location

us

Connect

About

Fidji Simo is Co-Founder of ChronicleBio, a techbio startup on a mission to cure complex chronic conditions by building an AI-ready biological data platform for neuroimmune disorders like POTS, ME/CFS, and Long COVID.

Before founding

Born in Sete, France, Simo was the first in her family to graduate high school and earned a Master of Management from HEC Paris, completing her final year at UCLA Anderson School of Business.

Founder Insights

Simo herself lives with POTS, a chronic neuroimmune condition, fueling her personal conviction that AI and large-scale biological data can unlock cures that traditional research has failed to deliver.

Experience

She spent a decade at Meta building Facebook's advertising business and leading the Facebook app, then served as CEO of Instacart, guiding it through a landmark Nasdaq IPO in 2023, before joining OpenAI as CEO of Applications reporting directly to Sam Altman.

Scale & Impact

ChronicleBio has raised $15M, performed hundreds of blood draws across multiple US states and India in its first year, and is developing what Simo calls the 'internet of biology' to transform chronic disease drug discovery.

About

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