Arthur MacWaters net worth
Quick answer
Arthur MacWaters's estimated net worth is $15.75M (range $11.03M – $23.62M) as of 2026. Arthur MacWaters is Founder at Legion Health. Legion Health valuation.
Arthur MacWaters is Founder at Legion Health (YC S21). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Active
- Education: Bachelor's degree from the University of California, Berkeley
- Region: United States of America
- Industries: Healthcare, Consumer Health and Wellness
- Team size: 11
- Website: https://legionhealth.com
Who is Arthur MacWaters?
Arthur MacWaters is a founder of Legion Health, a company that focuses on improving care for patients with chronic conditions. He is a Y Combinator graduate from the Summer 2021 batch.
Highlights:
- Y Combinator S21
- University of California, Berkeley
- Data science background
About Legion Health
Legion Health is building autonomous medical care, starting with psychiatry. Our AI-native care-delivery platform currently automates 95% of the administrative work required for us to deliver direct patient care. We also became the first company ever to receive regulatory authorization to let AI prescribe psychiatric medications, allowing us to not only collapse health care’s admin costs but also its clinical...
FAQ: Arthur MacWaters net worth and Legion Health valuation
What is Arthur MacWaters's net worth?
Arthur MacWaters's estimated net worth is $15.75M (range $11.03M – $23.62M) as of 2026. Arthur MacWaters is Founder at Legion Health. 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 Legion Health valuation?
Legion Health's estimated valuation on Entrepreneurial Check is $63.0M. 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 Arthur MacWaters's role?
Arthur MacWaters is Founder at Legion Health, a Y Combinator-backed startup (batch S21).