Mark Feitelson net worth
Quick answer
Mark Feitelson's estimated net worth is $15.0M (range $10.5M – $22.5M) as of 2026. Mark Feitelson is Founder at SFA Therapeutics. SFA Therapeutics valuation.
Mark Feitelson is Founder at SFA Therapeutics (YC S21). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Active
- Region: United States of America
- Industries: Healthcare, Therapeutics
- Team size: 4
- Website: https://sfatherapeutics.com/
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...
FAQ: Mark Feitelson net worth and SFA Therapeutics valuation
What is Mark Feitelson's net worth?
Mark Feitelson's estimated net worth is $15.0M (range $10.5M – $22.5M) as of 2026. Mark Feitelson is Founder at SFA Therapeutics. Entrepreneurial Check publishes an independent model-based estimate from public company and role data. Not verified net worth, and Entrepreneurial Check is not affiliated with Y Combinator or the profiled companies.
What is SFA Therapeutics valuation?
SFA Therapeutics's estimated valuation on Entrepreneurial Check is $45.0M. That valuation, or a disclosed round when one is public, is the source for the paper-wealth estimate. Independent model output — not a verified appraisal or official mark.
What is Mark Feitelson's role?
Mark Feitelson is Founder at SFA Therapeutics, a Y Combinator-backed startup (batch S21).