Shane Thomas Net Worth (Estimated)

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...

Model inputs

• Stage: series-a
• Valuation tier: raise-10x
• Funding input: reported raise $22.0M
• Valuation note: Replace leftover $13M seed. Lock the later published Spark Series A, not lifetime $35M.
• Research as-of: 2026-09-14
• Funding source: https://mastra.ai/blog/series-a

FAQ: Shane Thomas net worth and Mastra valuation

What is Shane Thomas's net worth?

Shane Thomas's estimated net worth / paper wealth is $20.5M (range $14.4M–$30.8M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.

Shane Thomas net worth

Shane Thomas's estimated net worth / paper wealth is $20.5M (range $14.4M–$30.8M) as of 2026. This Shane Thomas net worth figure is estimated paper wealth, not a verified statement of assets.

How much is Shane Thomas worth?

Shane Thomas's estimated net worth / paper wealth is $20.5M (range $14.4M–$30.8M) as of 2026. How much Shane Thomas is worth here means estimated paper wealth from public company and role data — not financial advice.

How rich is Shane Thomas?

Shane Thomas's estimated net worth / paper wealth is $20.5M (range $14.4M–$30.8M) as of 2026. “How rich is Shane Thomas” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.

Shane Thomas fortune

Shane Thomas's estimated net worth / paper wealth is $20.5M (range $14.4M–$30.8M) as of 2026. This Shane Thomas fortune figure is estimated paper wealth only, not a verified statement of assets.

Shane Thomas equity value

Shane Thomas's estimated net worth / paper wealth is $20.5M (range $14.4M–$30.8M) as of 2026. Shane Thomas equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.

What is Mastra valuation?

Mastra's estimated valuation on Entrepreneurial Check is $220.0M. Independent model output, not a verified appraisal or official mark.

What is Mastra post-money valuation?

Mastra's estimated valuation on Entrepreneurial Check is $220.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.

What is Mastra funding?

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

How much did Mastra raise?

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

How much money did Mastra raise?

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

What is Mastra series funding?

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

What company is Shane Thomas building?

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

What does Mastra do?

Mastra — The Javascript framework for building AI agents, from the Gatsby devs

What YC batch is Shane Thomas from?

Shane Thomas is associated with Y Combinator batch W25.

Where is Shane Thomas based?

Public directory data lists Shane Thomas's region as United States of America.

What industry is Shane Thomas in?

Shane Thomas is listed under B2B, Engineering, Product and Design.

How big is Mastra?

Public data lists Mastra's team size as 30.

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.