EntrepreneurialCheck
Katherine French estimated net worth profile

Katherine French Net Worth (Estimated)

Founder at BLUUMBIO · YC S21

est. wealth $20.0M

Quick answer

Katherine French's estimated net worth / paper wealth is $20.0M (range $14.0M–$30.0M) as of 2026.

Katherine French is Founder at BLUUMBIO (YC S21). Independent Entrepreneurial Check model estimate from public YC data.

At a glance

NameKatherine French
RoleFounder
CompanyBLUUMBIO
YC batchS21
Est. company val$20.0M
Assumed ownership100%
Est. paper wealth / net worth$20.0M
$14.0M – $30.0M
  • Company status: Active
  • Education: Bachelor's degree from University of California, Berkeley
  • Region: United States of America
  • Industries: Healthcare, Industrial Bio
  • Team size: 4
  • Website: http://www.bluumbio.com

Who is Katherine French?

Katherine French is a founder at BLUUMBIO, a startup that participated in Y Combinator's Summer 2021 batch.

Highlights:

  • University of California, Berkeley
  • Y Combinator S21
  • BLUUMBIO

About BLUUMBIO

Our mission

-To ensure current and future generations have access to clean soil, water & air.

-To protect and restore earth's beautiful and diverse ecosystems.

-To undo the harm of industrial activity on the planet and ensure future industrial activities are more sustainable.

Our research

-We develop new bio-based solutions that break down and remove toxic chemicals from the environment.  We also develop...

Model inputs

  • Stage: seed
  • Valuation tier: fallback-seed
  • Valuation note: no_discovery_sources [scale: $500k-class amount looked like a YC check, not a published seed]
  • Research as-of: 2026-08-04
  • Funding input: no public raise amount found; stage fallback valuation

FAQ: Katherine French net worth and BLUUMBIO valuation

What is Katherine French's net worth?

Katherine French's estimated net worth / paper wealth is $20.0M (range $14.0M–$30.0M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.

Katherine French net worth

Katherine French's estimated net worth / paper wealth is $20.0M (range $14.0M–$30.0M) as of 2026. This Katherine French net worth figure is estimated paper wealth, not a verified statement of assets.

How much is Katherine French worth?

Katherine French's estimated net worth / paper wealth is $20.0M (range $14.0M–$30.0M) as of 2026. How much Katherine French is worth here means estimated paper wealth from public company and role data — not financial advice.

How rich is Katherine French?

Katherine French's estimated net worth / paper wealth is $20.0M (range $14.0M–$30.0M) as of 2026. “How rich is Katherine French” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.

Katherine French fortune

Katherine French's estimated net worth / paper wealth is $20.0M (range $14.0M–$30.0M) as of 2026. This Katherine French fortune figure is estimated paper wealth only, not a verified statement of assets.

Katherine French equity value

Katherine French's estimated net worth / paper wealth is $20.0M (range $14.0M–$30.0M) as of 2026. Katherine French equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.

What is BLUUMBIO valuation?

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

What is BLUUMBIO post-money valuation?

BLUUMBIO'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 BLUUMBIO funding?

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

How much did BLUUMBIO raise?

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

How much money did BLUUMBIO raise?

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

What is BLUUMBIO series funding?

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

What company is Katherine French building?

Katherine French is Founder at BLUUMBIO, a Y Combinator-backed startup (batch S21).

What does BLUUMBIO do?

BLUUMBIO — We make bacteria and plants that clean up pollution.

What YC batch is Katherine French from?

Katherine French is associated with Y Combinator batch S21.

Where did Katherine French go to school?

Public profiles associate Katherine French with Bachelor's degree from University of California, Berkeley.

Where is Katherine French based?

Public directory data lists Katherine French's region as United States of America.

What industry is Katherine French in?

Katherine French is listed under Healthcare, Industrial Bio.

How big is BLUUMBIO?

Public data lists BLUUMBIO's team size as 4.

What else is notable about Katherine French?

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.