EntrepreneurialCheck
Johan Mathe estimated net worth profile

Johan Mathe Net Worth (Estimated)

Founder at Atmo · YC W20

est. wealth $6.7M

Quick answer

Johan Mathe's estimated net worth / paper wealth is $6.7M (range $4.7M–$10.0M) as of 2026.

Johan Mathe is Founder at Atmo (YC W20). Independent Entrepreneurial Check model estimate from public YC data.

At a glance

NameJohan Mathe
RoleFounder
CompanyAtmo
YC batchW20
Est. company val$20.0M
Assumed ownership33%
Est. paper wealth / net worth$6.7M
$4.7M – $10.0M
  • Company status: Active
  • Education: Bachelor's degree from University of California, Berkeley
  • Region: United States of America
  • Industries: Industrials
  • Team size: 10
  • Website: http://atmo.ai

Who is Johan Mathe?

Johan Mathe is a founder at Atmo, a company that participated in Y Combinator's Winter 2020 batch.

Highlights:

  • University of California, Berkeley
  • Y Combinator W20
  • Founded Atmo

About Atmo

Atmo is the leading company bringing artificial intelligence to meteorology for governments, militaries, and corporations. Atmo builds state-of-the-art AI weather forecasts that are up to 50% more accurate, 10x more detailed, and run 40,000x faster. Atmo has rapidly become the trusted AI meteorology partner for high-stakes users worldwide, such as the US Department of Defense, top aerospace companies, the...

Model inputs

FAQ: Johan Mathe net worth and Atmo valuation

What is Johan Mathe's net worth?

Johan Mathe's estimated net worth / paper wealth is $6.7M (range $4.7M–$10.0M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.

Johan Mathe net worth

Johan Mathe's estimated net worth / paper wealth is $6.7M (range $4.7M–$10.0M) as of 2026. This Johan Mathe net worth figure is estimated paper wealth, not a verified statement of assets.

How much is Johan Mathe worth?

Johan Mathe's estimated net worth / paper wealth is $6.7M (range $4.7M–$10.0M) as of 2026. How much Johan Mathe is worth here means estimated paper wealth from public company and role data — not financial advice.

How rich is Johan Mathe?

Johan Mathe's estimated net worth / paper wealth is $6.7M (range $4.7M–$10.0M) as of 2026. “How rich is Johan Mathe” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.

Johan Mathe fortune

Johan Mathe's estimated net worth / paper wealth is $6.7M (range $4.7M–$10.0M) as of 2026. This Johan Mathe fortune figure is estimated paper wealth only, not a verified statement of assets.

Johan Mathe equity value

Johan Mathe's estimated net worth / paper wealth is $6.7M (range $4.7M–$10.0M) as of 2026. Johan Mathe equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.

What is Atmo valuation?

Atmo's estimated valuation on Entrepreneurial Check is $20.0M. Independent model output, not a verified appraisal or official mark.

What is Atmo post-money valuation?

Atmo's estimated valuation on Entrepreneurial Check is $20.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.

What is Atmo funding?

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

How much did Atmo raise?

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

How much money did Atmo raise?

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

What is Atmo series funding?

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

What company is Johan Mathe building?

Johan Mathe is Founder at Atmo, a Y Combinator-backed startup (batch W20).

What does Atmo do?

Atmo — Ultra-precise AI weather forecasting.

What YC batch is Johan Mathe from?

Johan Mathe is associated with Y Combinator batch W20.

Where did Johan Mathe go to school?

Public profiles associate Johan Mathe with Bachelor's degree from University of California, Berkeley.

Where is Johan Mathe based?

Public directory data lists Johan Mathe's region as United States of America.

What industry is Johan Mathe in?

Johan Mathe is listed under Industrials.

How big is Atmo?

Public data lists Atmo's team size as 10.

What else is notable about Johan Mathe?

University of California, Berkeley.

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.