EntrepreneurialCheck
Neil Assur estimated net worth profile

Neil Assur Net Worth (Estimated)

Founder at Birch Biosciences · YC S22

est. wealth $10.0M

Quick answer

Neil Assur's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026.

Neil Assur is Founder at Birch Biosciences (YC S22). Independent Entrepreneurial Check model estimate from public YC data.

At a glance

NameNeil Assur
RoleFounder
CompanyBirch Biosciences
YC batchS22
Est. company val$20.0M
Assumed ownership50%
Est. paper wealth / net worth$10.0M
$7.0M – $15.0M
  • Company status: Active
  • Education: University of California, Berkeley
  • Region: United States of America
  • Industries: Industrials, Climate
  • Team size: 10
  • Website: http://www.birchbiosciences.com

Who is Neil Assur?

Neil Assur is a co-founder of Birch Biosciences, a company focused on developing innovative biotechnological solutions.

Highlights:

  • University of California, Berkeley
  • AbbVie
  • Stanford University

About Birch Biosciences

Birch Biosciences engineers enzymes for plastic recycling using synthetic biology and machine learning. Our enzymes function as high performance “molecular scissors” that efficiently break down plastic polymers into chemical building blocks that can be used to manufacture high quality recycled plastic products. Today, plastic manufacturing is unsustainable and a major driver of climate change. Birch...

Model inputs

  • Stage: seed
  • Valuation tier: fallback-seed
  • Valuation note: no_discovery_sources [scale: scrape amount with no URL is not a priced primary]
  • Research as-of: 2026-08-04
  • Funding input: no public raise amount found; stage fallback valuation

FAQ: Neil Assur net worth and Birch Biosciences valuation

What is Neil Assur's net worth?

Neil Assur's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.

Neil Assur net worth

Neil Assur's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. This Neil Assur net worth figure is estimated paper wealth, not a verified statement of assets.

How much is Neil Assur worth?

Neil Assur's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. How much Neil Assur is worth here means estimated paper wealth from public company and role data — not financial advice.

How rich is Neil Assur?

Neil Assur's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. “How rich is Neil Assur” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.

Neil Assur fortune

Neil Assur's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. This Neil Assur fortune figure is estimated paper wealth only, not a verified statement of assets.

Neil Assur equity value

Neil Assur's estimated net worth / paper wealth is $10.0M (range $7.0M–$15.0M) as of 2026. Neil Assur equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.

What is Birch Biosciences valuation?

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

What is Birch Biosciences post-money valuation?

Birch Biosciences'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 Birch Biosciences funding?

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

How much did Birch Biosciences raise?

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

How much money did Birch Biosciences raise?

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

What is Birch Biosciences series funding?

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

What company is Neil Assur building?

Neil Assur is Founder at Birch Biosciences, a Y Combinator-backed startup (batch S22).

What does Birch Biosciences do?

Birch Biosciences — We recycle plastic using engineered enzymes

What YC batch is Neil Assur from?

Neil Assur is associated with Y Combinator batch S22.

Where did Neil Assur go to school?

Public profiles associate Neil Assur with University of California, Berkeley.

What other companies is Neil Assur connected to?

Public associations for Neil Assur include AbbVie.

Where is Neil Assur based?

Public directory data lists Neil Assur's region as United States of America.

What industry is Neil Assur in?

Neil Assur is listed under Industrials, Climate.

How big is Birch Biosciences?

Public data lists Birch Biosciences's team size as 10.

What else is notable about Neil Assur?

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.