Sergey Fayfer net worth
Quick answer
Sergey Fayfer's estimated net worth is $15.0M (range $10.5M – $22.5M) as of 2026. Sergey Fayfer is Founder at Sayana. Sayana valuation.
Sergey Fayfer is Founder at Sayana (YC W20). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Acquired
- Education: Stanford University
- Region: United States of America
- Industries: Healthcare, Consumer Health and Wellness
- Team size: 2
- Website: https://sayana.app/
Who is Sergey Fayfer?
Sergey Fayfer is a founder of Sayana, which was a part of Y Combinator's Winter 2020 batch.
Highlights:
- Stanford University
- Goldman Sachs
- TechCrunch Disrupt finalist
About Sayana
Sayana is a mental wellness app that helps people track their thoughts and feelings daily, get relevant tips on how to cope with emotions, and match with people in a similar life situation.
FAQ: Sergey Fayfer net worth and Sayana valuation
What is Sergey Fayfer's net worth?
Sergey Fayfer's estimated net worth is $15.0M (range $10.5M – $22.5M) as of 2026. Sergey Fayfer is Founder at Sayana. 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 Sayana valuation?
Sayana's estimated valuation on Entrepreneurial Check is $100.0M. 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 Sergey Fayfer's role?
Sergey Fayfer is Founder at Sayana, a Y Combinator-backed startup (batch W20).