Geo Guillen Net Worth (Estimated)

Who is Geo Guillen?

Geo Guillen is a founder at Catena Biosciences, which is a part of Y Combinator's Summer 2021 batch.

About Catena Biosciences

Catena’s technology lets us attach any two proteins together using an enzyme and the native amino acids tyrosine and cysteine within target proteins. It is a true platform technology because it enables the joining of any two soluble proteins together with minimal engineering and without restrictions due to protein size or complexity. Our work has already been used to modify cancer specific antibodies, CRISPR...

Model inputs

• Stage: seed-extension
• Valuation tier: raise-10x
• Funding input: reported raise $2.4M
• Valuation note: Leftover $2.35M matches the published seed extension. Do not lock the earlier $5M seed, unsized 2026 Series A, or lifetime ~$7.3–9.1M.
• Research as-of: 2026-09-14
• Funding source: https://longevc.com/insights/tpost/p75nkomt81-longevc-joins-catenabios-235m-seed-exten

FAQ: Geo Guillen net worth and Catena Biosciences valuation

What is Geo Guillen's net worth?

Geo Guillen's estimated net worth / paper wealth is $7.8M (range $5.5M–$11.8M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.

Geo Guillen net worth

Geo Guillen's estimated net worth / paper wealth is $7.8M (range $5.5M–$11.8M) as of 2026. This Geo Guillen net worth figure is estimated paper wealth, not a verified statement of assets.

How much is Geo Guillen worth?

Geo Guillen's estimated net worth / paper wealth is $7.8M (range $5.5M–$11.8M) as of 2026. How much Geo Guillen is worth here means estimated paper wealth from public company and role data — not financial advice.

How rich is Geo Guillen?

Geo Guillen's estimated net worth / paper wealth is $7.8M (range $5.5M–$11.8M) as of 2026. “How rich is Geo Guillen” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.

Geo Guillen fortune

Geo Guillen's estimated net worth / paper wealth is $7.8M (range $5.5M–$11.8M) as of 2026. This Geo Guillen fortune figure is estimated paper wealth only, not a verified statement of assets.

Geo Guillen equity value

Geo Guillen's estimated net worth / paper wealth is $7.8M (range $5.5M–$11.8M) as of 2026. Geo Guillen equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.

What is Catena Biosciences valuation?

Catena Biosciences's estimated valuation on Entrepreneurial Check is $23.5M. Independent model output, not a verified appraisal or official mark.

What is Catena Biosciences post-money valuation?

Catena Biosciences's estimated valuation on Entrepreneurial Check is $23.5M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.

What is Catena Biosciences funding?

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

How much did Catena Biosciences raise?

How much Catena Biosciences raised, when disclosed, informs the estimated Catena 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 Catena Biosciences raise?

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

What is Catena Biosciences series funding?

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

What company is Geo Guillen building?

Geo Guillen is Founder at Catena Biosciences, a Y Combinator-backed startup (batch S21).

What does Catena Biosciences do?

Catena Biosciences — Using protein coupling to build new therapies

What YC batch is Geo Guillen from?

Geo Guillen is associated with Y Combinator batch S21.

Where is Geo Guillen based?

Public directory data lists Geo Guillen's region as United States of America.

What industry is Geo Guillen in?

Geo Guillen is listed under Healthcare, Therapeutics.

How big is Catena Biosciences?

Public data lists Catena Biosciences's team size as 7.

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.