Mark Feitelson Net Worth (Estimated)

Who is Mark Feitelson?

Mark Feitelson is a founder associated with SFA Therapeutics through Y Combinator's Summer 2021 batch.

About SFA Therapeutics

SFA Therapeutics is creating therapeutically-tailored oral drugs that regulate the immune system; with a focus on autoimmune diseases and cancers that originate from chronic inflammation. There are over 300 million patients who suffer from autoimmune diseases. Our treatment is designed to block the root cause of many of these chronic inflammatory diseases, with safe oral drugs. We have strong clinical data from a...

Model inputs

• Stage: other
• Valuation tier: raise-10x
• Funding input: reported raise $4.5M
• Valuation note: Leftover $4.5M matches the published North South bridge. Do not lock the $4M seed, lifetime ~$9M, or invent the unclosed Series A / $250M valuation.
• Research as-of: 2026-09-14
• Funding source: https://www.globenewswire.com/news-release/2023/11/09/2777360/0/en/SFA-Therapeutics-Announces-Updated-Psoriasis-Data-for-SFA-002-Bridge-Financing-and-Foundational-Patent.html

FAQ: Mark Feitelson net worth and SFA Therapeutics valuation

What is Mark Feitelson's net worth?

Mark Feitelson's estimated net worth / paper wealth is $15.0M (range $10.5M–$22.5M) as of 2026. Entrepreneurial Check publishes an independent model-based estimate from public company and role data.

Mark Feitelson net worth

Mark Feitelson's estimated net worth / paper wealth is $15.0M (range $10.5M–$22.5M) as of 2026. This Mark Feitelson net worth figure is estimated paper wealth, not a verified statement of assets.

How much is Mark Feitelson worth?

Mark Feitelson's estimated net worth / paper wealth is $15.0M (range $10.5M–$22.5M) as of 2026. How much Mark Feitelson is worth here means estimated paper wealth from public company and role data — not financial advice.

How rich is Mark Feitelson?

Mark Feitelson's estimated net worth / paper wealth is $15.0M (range $10.5M–$22.5M) as of 2026. “How rich is Mark Feitelson” here means estimated paper wealth from public company and role data — not verified net worth or financial advice.

Mark Feitelson fortune

Mark Feitelson's estimated net worth / paper wealth is $15.0M (range $10.5M–$22.5M) as of 2026. This Mark Feitelson fortune figure is estimated paper wealth only, not a verified statement of assets.

Mark Feitelson equity value

Mark Feitelson's estimated net worth / paper wealth is $15.0M (range $10.5M–$22.5M) as of 2026. Mark Feitelson equity value on this page is modeled paper wealth from estimated ownership — not a disclosed cap table or verified net worth.

What is SFA Therapeutics valuation?

SFA Therapeutics's estimated valuation on Entrepreneurial Check is $45.0M. Independent model output, not a verified appraisal or official mark.

What is SFA Therapeutics post-money valuation?

SFA Therapeutics's estimated valuation on Entrepreneurial Check is $45.0M. That figure is a modeled post-money mark when a public raise is available — not a verified appraisal or official mark.

What is SFA Therapeutics funding?

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

How much did SFA Therapeutics raise?

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

How much money did SFA Therapeutics raise?

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

What is SFA Therapeutics series funding?

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

What company is Mark Feitelson building?

Mark Feitelson is Founder at SFA Therapeutics, a Y Combinator-backed startup (batch S21).

What does SFA Therapeutics do?

SFA Therapeutics — Regulating the immune system to block cancer & autoimmune diseases

What YC batch is Mark Feitelson from?

Mark Feitelson is associated with Y Combinator batch S21.

Where is Mark Feitelson based?

Public directory data lists Mark Feitelson's region as United States of America.

What industry is Mark Feitelson in?

Mark Feitelson is listed under Healthcare, Therapeutics.

How big is SFA Therapeutics?

Public data lists SFA Therapeutics's team size as 4.

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.