Jack Brown net worth
Quick answer
Jack Brown's estimated net worth is $10.0M (range $7.0M – $15.0M) as of 2026. Jack Brown is Founder at Lark. Lark valuation.
Jack Brown is Founder at Lark (YC S25). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Active
- Region: United States of America
- Industries: B2B, Engineering, Product and Design
- Team size: 5
- Website: https://getlark.ai/
Who is Jack Brown?
Jack Brown is a founder of Lark, a company that was part of Y Combinator's Summer 2025 batch.
About Lark
Lark lets teams write end-to-end tests in plain English. Validate dashboards, APIs, SDKs, and full product flows without maintaining fragile test code. Run continuously on feature branches, in CI, or in production.
FAQ: Jack Brown net worth and Lark valuation
What is Jack Brown's net worth?
Jack Brown's estimated net worth is $10.0M (range $7.0M – $15.0M) as of 2026. Jack Brown is Founder at Lark. 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 Lark valuation?
Lark's estimated valuation on Entrepreneurial Check is $20.0M. 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 Jack Brown's role?
Jack Brown is Founder at Lark, a Y Combinator-backed startup (batch S25).