Zach Kirsch net worth
Quick answer
Zach Kirsch's estimated net worth is $5.0M (range $3.5M – $7.5M) as of 2026. Zach Kirsch is Founder at Fern. Fern valuation.
Zach Kirsch is Founder at Fern (YC W23). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Acquired
- Region: United States of America
- Industries: B2B, Engineering, Product and Design
- Team size: 30
- Website: https://www.buildwithfern.com
Who is Zach Kirsch?
Zach Kirsch is a founder at Fern, participating in Y Combinator's W23 batch.
About Fern
APIs underpin the internet but are still painful to work with. They are often untyped, unstandardized, and out-of-sync across multiple sources of truth.
Fern helps companies deliver SDKs and API documentation that they’re are proud to share with their customers. Since launching in 2023, we’ve been trusted by over 200 customers, including industry leaders like Square, Webflow, ElevenLabs, Auth0, and Intercom, to...
FAQ: Zach Kirsch net worth and Fern valuation
What is Zach Kirsch's net worth?
Zach Kirsch's estimated net worth is $5.0M (range $3.5M – $7.5M) as of 2026. Zach Kirsch is Founder at Fern. 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 Fern valuation?
Fern's estimated valuation on Entrepreneurial Check is $100.0M. 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 Zach Kirsch's role?
Zach Kirsch is Founder at Fern, a Y Combinator-backed startup (batch W23).