Lucy Guo Net Worth (Estimated)

Who is Lucy Guo?

Lucy Guo is an American engineer and entrepreneur who co-founded Scale AI in 2016 and later founded Passes in 2022. She was recognized as the world's youngest self-made female billionaire in 2025.

Highlights:

• Thiel Fellowship recipient (2014).
• Co-founded Scale AI (S16 YC batch).
• Founded Passes (2022).

Background

She was raised in Fremont, California, by Chinese immigrant parents who were electrical engineers. Heritage/background labels may be inferred and are not verified identity documents.

About Scale AI

Scale accelerates the development of AI within organizations of any size to deliver critical business insights and operational efficiency. Its data-centric infrastructure platform leverages RLHF (Reinforced Learning with Human Feedback) to help organizations build the strongest AI models that supercharge their business, with customers across industries including Meta, Microsoft, U.S. Army, DoD’s Defense...

Model inputs

• Stage: Seed
• Valuation tier: reported-valuation
• Funding input: reported raise $120K
• Current valuation input: $29.0B
• Peak valuation (historical): $29.0B
• Valuation note: Meta strategic investment valuing Scale at ~\ (Jun 2025; Bloomberg). Method pilot PASS.
• Research as-of: 2026-08-04
• Funding source: https://www.bloomberg.com/news/articles/2025-04-02/scale-ai-expects-to-hit-2-billion-in-annualized-revenue

FAQ: Lucy Guo net worth and Scale AI valuation

What is Lucy Guo's net worth?

Lucy Guo's estimated net worth / paper wealth is $10.2B (range $7.1B–$15.2B) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.

Lucy Guo net worth

Lucy Guo's estimated net worth / paper wealth is $10.2B (range $7.1B–$15.2B) as of 2026. This Lucy Guo net worth figure is estimated paper wealth, not a verified statement of assets.

How much is Lucy Guo worth?

Lucy Guo's estimated net worth / paper wealth is $10.2B (range $7.1B–$15.2B) as of 2026. How much Lucy Guo is worth here means estimated paper wealth from public company and role data — not financial advice.

How rich is Lucy Guo?

Lucy Guo's estimated net worth / paper wealth is $10.2B (range $7.1B–$15.2B) as of 2026. “How rich is Lucy Guo” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.

Lucy Guo fortune

Lucy Guo's estimated net worth / paper wealth is $10.2B (range $7.1B–$15.2B) as of 2026. This Lucy Guo fortune figure is estimated paper wealth only, not a verified statement of assets.

Lucy Guo equity value

Lucy Guo's estimated net worth / paper wealth is $10.2B (range $7.1B–$15.2B) as of 2026. Lucy Guo equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.

What is Scale AI valuation?

Scale AI's estimated valuation on Entrepreneurial Check is $29.0B. Independent model output, not a verified appraisal or official mark.

What is Scale AI post-money valuation?

Scale AI's estimated valuation on Entrepreneurial Check is $29.0B. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.

What is Scale AI funding?

Scale AI funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much Scale AI raised is not a complete cap table — figures are estimates only.

How much did Scale AI raise?

How much Scale AI raised, when disclosed, informs the estimated Scale AI valuation and founder paper-wealth figures on this page. Independent estimate only — not a complete cap table or financial advice.

How much money did Scale AI raise?

How much money Scale AI raised, when a public figure is available, is a model input for the estimated Scale AI valuation on this profile. Estimates only — not a complete cap table.

What is Scale AI series funding?

Scale AI series funding, when a public raise is disclosed, informs the estimated Scale AI valuation here. Not a complete financing history.

What company is Lucy Guo building?

Lucy Guo is Founder at Scale AI, a Y Combinator-backed startup (batch S16).

What does Scale AI do?

Scale AI — Data-centric infrastructure to accelerate the development of AI

What YC batch is Lucy Guo from?

Lucy Guo is associated with Y Combinator batch S16.

Where did Lucy Guo go to school?

Public profiles associate Lucy Guo with Dropped out of Carnegie Mellon University (Computer Science and Human-Computer Interaction)..

What other companies is Lucy Guo connected to?

Public associations for Lucy Guo include Facebook (intern), Snapchat, Quora, Scale AI.

Where is Lucy Guo based?

Public directory data lists Lucy Guo's region as United States of America.

What industry is Lucy Guo in?

Lucy Guo is listed under B2B, Engineering, Product and Design.

How big is Scale AI?

Public data lists Scale AI's team size as 500.

What is Lucy Guo's background?

Publicly described labels for Lucy Guo: American, Chinese heritage, Chinese, Asian, Heritage.

What else is notable about Lucy Guo?

Thiel Fellowship recipient (2014).

Is Entrepreneurial Check affiliated with Y Combinator?

No. Entrepreneurial Check is an independent informational site and is not affiliated with, endorsed by, or sponsored by Y Combinator or the profiled companies.