Sarah Najmark net worth
Quick answer
Sarah Najmark's estimated net worth is $13.0M (range $9.1M – $19.5M) as of 2026. Sarah Najmark is Founder at Osium AI. Osium AI valuation.
Sarah Najmark is Founder at Osium AI (YC S23). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Active
- Region: France
- Industries: B2B
- Team size: 2
- Website: https://osium.ai/
Who is Sarah Najmark?
Sarah Najmark is a founder at Osium AI, a startup part of Y Combinator's Summer 2023 cohort.
About Osium AI
Our AI-powered software enables materials R&D engineers to design new materials much faster.
To date, manufacturing companies rely on trial-and-error and manual approaches to develop new materials. This is a tedious and time-consuming process. Yet, carbon neutrality requirements urge manufacturers to adopt greener and lighter materials to decarbonize the industry.
FAQ: Sarah Najmark net worth and Osium AI valuation
What is Sarah Najmark's net worth?
Sarah Najmark's estimated net worth is $13.0M (range $9.1M – $19.5M) as of 2026. Sarah Najmark is Founder at Osium AI. 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 Osium AI valuation?
Osium AI's estimated valuation on Entrepreneurial Check is $26.0M. 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 Sarah Najmark's role?
Sarah Najmark is Founder at Osium AI, a Y Combinator-backed startup (batch S23).