EntrepreneurialCheck
Shane Thomas estimated net worth profile

Shane Thomas net worth

Shane Thomas Net Worth 2026 (Estimated) · Founder at Mastra · YC W25
est. wealth $20.53M

Quick answer

Shane Thomas's estimated net worth is $20.53M (range $14.37M – $30.8M) as of 2026. Shane Thomas is Founder at Mastra. Mastra valuation.

Shane Thomas is Founder at Mastra (YC W25). Independent Entrepreneurial Check model estimate from public YC data.

At a glance

NameShane Thomas
RoleFounder
CompanyMastra
YC batchW25
Est. company val$220.0M
Assumed ownership9.3%
Est. paper wealth / net worth$20.53M
$14.37M – $30.8M
  • Company status: Active
  • Region: United States of America
  • Industries: B2B, Engineering, Product and Design
  • Team size: 30
  • Website: https://mastra.ai

Who is Shane Thomas?

Shane Thomas is a founder at Mastra, a company part of Y Combinator's Winter 2025 cohort.

About Mastra

Mastra is the easiest way to build a production AI application, built by the team that brought you Gatsby. We provide a complete set of AI primitives: workflows for complex operations, agents for autonomous decisions, RAG for knowledge integration, and evals for quality & accuracy. Mastra is open-source, modular, and built in Typescript for product developers. You can deploy Mastra on any cloud, and it gives you...

FAQ: Shane Thomas net worth and Mastra valuation

What is Shane Thomas's net worth?

Shane Thomas's estimated net worth is $20.53M (range $14.37M – $30.8M) as of 2026. Shane Thomas is Founder at Mastra. 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 Mastra valuation?

Mastra's estimated valuation on Entrepreneurial Check is $220.0M. 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 Shane Thomas's role?

Shane Thomas is Founder at Mastra, a Y Combinator-backed startup (batch W25).