Sam O'Keefe net worth
Quick answer
Sam O'Keefe's estimated net worth is $21.0M (range $14.7M – $31.5M) as of 2026. Sam O'Keefe is Head of Business Development at Flex. Flex valuation.
Sam O'Keefe is Head of Business Development at Flex (YC S23, S12). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Active
- Education: Stanford University
- Region: United States of America
- Industries: Fintech, Payments, B2B, Human Resources
- Team size: 8
- Website: https://www.withflex.com/shop
Who is Sam O'Keefe?
Sam O'Keefe is a founder involved with Flex, having participated in Y Combinator's S23 and S12 batches.
Highlights:
- Stanford University
- Y Combinator
About Flex
Flex is a payment platform for businesses to accept HSA/FSA, unlocking the $150B per year sitting in HSA/FSA accounts.
FAQ: Sam O'Keefe net worth and Flex valuation
What is Sam O'Keefe's net worth?
Sam O'Keefe's estimated net worth is $21.0M (range $14.7M – $31.5M) as of 2026. Sam O'Keefe is Head of Business Development at Flex. 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 Flex valuation?
Flex's estimated valuation on Entrepreneurial Check is $150.0M. 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 Sam O'Keefe's role?
Sam O'Keefe is Head of Business Development at Flex, a Y Combinator-backed startup (batch S23, S12).