Stephen Lamb Net Worth (Estimated)

Who is Stephen Lamb?

Stephen Lamb is a founder of ZBiotics, a biotechnology company that produces probiotic products to improve health.

Highlights:

• UC Berkeley
• Y Combinator W18
• ZBiotics

About ZBiotics

ZBiotics is a synthetic biology company founded in 2016 and headquartered in San Francisco, California. The company bioengineers probiotic bacteria for nutraceutical and other applications. They launched the world's first genetically engineered probiotic in 2019 – a probiotic that breaks down a toxic byproduct of alcohol. They are currently developing a pipeline of additional engineered probiotics for other...

Model inputs

• Stage: series-a
• Valuation tier: raise-10x
• Funding input: reported raise $12.0M
• Valuation note: Leftover $12M Series A matches the Spring Tide close. Do not invent a later A-II amount or lock lifetime totals.
• Research as-of: 2026-09-14
• Funding source: https://www.businesswire.com/news/home/20240827193358/en/ZBiotics-Maker-of-World%E2%80%99s-First-Genetically-Engineered-Probiotics-Raises-12M-Series-A

FAQ: Stephen Lamb net worth and ZBiotics valuation

What is Stephen Lamb's net worth?

Stephen Lamb's estimated net worth / paper wealth is $33.6M (range $23.5M–$50.4M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.

Stephen Lamb net worth

Stephen Lamb's estimated net worth / paper wealth is $33.6M (range $23.5M–$50.4M) as of 2026. This Stephen Lamb net worth figure is estimated paper wealth, not a verified statement of assets.

How much is Stephen Lamb worth?

Stephen Lamb's estimated net worth / paper wealth is $33.6M (range $23.5M–$50.4M) as of 2026. How much Stephen Lamb is worth here means estimated paper wealth from public company and role data — not financial advice.

How rich is Stephen Lamb?

Stephen Lamb's estimated net worth / paper wealth is $33.6M (range $23.5M–$50.4M) as of 2026. “How rich is Stephen Lamb” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.

Stephen Lamb fortune

Stephen Lamb's estimated net worth / paper wealth is $33.6M (range $23.5M–$50.4M) as of 2026. This Stephen Lamb fortune figure is estimated paper wealth only, not a verified statement of assets.

Stephen Lamb equity value

Stephen Lamb's estimated net worth / paper wealth is $33.6M (range $23.5M–$50.4M) as of 2026. Stephen Lamb equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.

What is ZBiotics valuation?

ZBiotics's estimated valuation on Entrepreneurial Check is $120.0M. Independent model output, not a verified appraisal or official mark.

What is ZBiotics post-money valuation?

ZBiotics's estimated valuation on Entrepreneurial Check is $120.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.

What is ZBiotics funding?

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

How much did ZBiotics raise?

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

How much money did ZBiotics raise?

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

What is ZBiotics series funding?

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

What company is Stephen Lamb building?

Stephen Lamb is Founder at ZBiotics, a Y Combinator-backed startup (batch W18).

What does ZBiotics do?

ZBiotics — ZBiotics makes genetically engineered probiotics.

What YC batch is Stephen Lamb from?

Stephen Lamb is associated with Y Combinator batch W18.

Where did Stephen Lamb go to school?

Public profiles associate Stephen Lamb with UC Berkeley.

Where is Stephen Lamb based?

Public directory data lists Stephen Lamb's region as United States of America.

What industry is Stephen Lamb in?

Stephen Lamb is listed under Healthcare, Consumer Health and Wellness.

How big is ZBiotics?

Public data lists ZBiotics's team size as 22.

What else is notable about Stephen Lamb?

UC 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.