Stephen Van Dien Net Worth (Estimated)
CTO at Persephone Biosciences · YC W18
Quick answer
Stephen Van Dien's estimated net worth / paper wealth is $52.5M (range $36.8M–$78.8M) as of 2026.
Stephen Van Dien is CTO at Persephone Biosciences (YC W18). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Active
- Education: Bachelor's degree in Molecular and Cell Biology from UC Berkeley
- Region: United States of America
- Industries: Healthcare, Therapeutics
- Team size: 6
- Website: http://persephonebiosciences.com/
Who is Stephen Van Dien?
Stephen Van Dien is a co-founder of Persephone Biosciences, involved in developing microbiome-based therapies.
Highlights:
- University of California, Berkeley
- Stanford University
- Participated in Y Combinator W18
About Persephone Biosciences
Persephone Biome develops live biotherapeutic products to modulate the metabolism of gut microbes, for applications in disease prevention and cure. We take a unique engineering approach using systems and synthetic biology to understand the complexities of the microbiome.
Model inputs
- Stage: seed
- Valuation tier: raise-10x
- Funding input: reported raise $15.0M
- Valuation note: YC W18 persephonebiosciences.com (Culler). Leftover unsourced $15M matches the seed. Business Wire same day. Do not lock later PitchBook-only VC rows or the $6.3M Signalbase echo.
- Research as-of: 2026-09-14
- Funding source: https://techcrunch.com/2022/07/19/persephone-puts-poop-to-work-to-explore-and-heal-your-gut-microbiome/
FAQ: Stephen Van Dien net worth and Persephone Biosciences valuation
What is Stephen Van Dien's net worth?
Stephen Van Dien's estimated net worth / paper wealth is $52.5M (range $36.8M–$78.8M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.
Stephen Van Dien net worth
Stephen Van Dien's estimated net worth / paper wealth is $52.5M (range $36.8M–$78.8M) as of 2026. This Stephen Van Dien net worth figure is estimated paper wealth, not a verified statement of assets.
How much is Stephen Van Dien worth?
Stephen Van Dien's estimated net worth / paper wealth is $52.5M (range $36.8M–$78.8M) as of 2026. How much Stephen Van Dien is worth here means estimated paper wealth from public company and role data — not financial advice.
How rich is Stephen Van Dien?
Stephen Van Dien's estimated net worth / paper wealth is $52.5M (range $36.8M–$78.8M) as of 2026. “How rich is Stephen Van Dien” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.
Stephen Van Dien fortune
Stephen Van Dien's estimated net worth / paper wealth is $52.5M (range $36.8M–$78.8M) as of 2026. This Stephen Van Dien fortune figure is estimated paper wealth only, not a verified statement of assets.
Stephen Van Dien equity value
Stephen Van Dien's estimated net worth / paper wealth is $52.5M (range $36.8M–$78.8M) as of 2026. Stephen Van Dien equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.
What is Persephone Biosciences valuation?
Persephone Biosciences's estimated valuation on Entrepreneurial Check is $150.0M. Independent model output, not a verified appraisal or official mark.
What is Persephone Biosciences post-money valuation?
Persephone Biosciences's estimated valuation on Entrepreneurial Check is $150.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.
What is Persephone Biosciences funding?
Persephone Biosciences funding, when a public raise is available, is a model input on this Entrepreneurial Check profile. How much Persephone Biosciences raised is not a complete cap table — figures are estimates only.
How much did Persephone Biosciences raise?
How much Persephone Biosciences raised, when disclosed, informs the estimated Persephone 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 Persephone Biosciences raise?
How much money Persephone Biosciences raised, when a public figure is available, is a model input for the estimated Persephone Biosciences valuation on this profile. Estimates only — not a complete cap table.
What is Persephone Biosciences series funding?
Persephone Biosciences series funding, when a public raise is disclosed, informs the estimated Persephone Biosciences valuation here. Not a complete financing history.
What company is Stephen Van Dien building?
Stephen Van Dien is CTO at Persephone Biosciences, a Y Combinator-backed startup (batch W18).
What does Persephone Biosciences do?
Persephone Biosciences — We are using the gut microbiome to end cancer.
What YC batch is Stephen Van Dien from?
Stephen Van Dien is associated with Y Combinator batch W18.
Where did Stephen Van Dien go to school?
Public profiles associate Stephen Van Dien with Bachelor's degree in Molecular and Cell Biology from UC Berkeley.
What other companies is Stephen Van Dien connected to?
Public associations for Stephen Van Dien include GSK, Calico Labs.
Where is Stephen Van Dien based?
Public directory data lists Stephen Van Dien's region as United States of America.
What industry is Stephen Van Dien in?
Stephen Van Dien is listed under Healthcare, Therapeutics.
How big is Persephone Biosciences?
Public data lists Persephone Biosciences's team size as 6.
What else is notable about Stephen Van Dien?
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.