Lucy Guo net worth
Quick answer
Lucy Guo's estimated net worth is $11.6B (range $8.1B – $17.4B) as of 2026. Lucy Guo is Founder at Scale AI. Scale AI valuation.
Lucy Guo is Founder at Scale AI (YC S16). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Active
- Background: American, Chinese heritage, Chinese, Asian, Heritage
- Education: Dropped out of Carnegie Mellon University (Computer Science and Human-Computer Interaction).
- Region: United States of America
- Industries: B2B, Engineering, Product and Design
- Team size: 500
- Website: http://scale.com
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...
FAQ: Lucy Guo net worth and Scale AI valuation
What is Lucy Guo's net worth?
Lucy Guo's estimated net worth is $11.6B (range $8.1B – $17.4B) as of 2026. Lucy Guo is Founder at Scale AI. Entrepreneurial Check publishes an independent model-based estimate from public company and role data. Not verified net worth, and Entrepreneurial Check is not affiliated with Y Combinator or the profiled companies.
What is Scale AI valuation?
Scale AI's estimated valuation on Entrepreneurial Check is $29.0B. That valuation, or a disclosed round when one is public, is the source for the paper-wealth estimate. Independent model output — not a verified appraisal or official mark.
What is Lucy Guo's role?
Lucy Guo is Founder at Scale AI, a Y Combinator-backed startup (batch S16).