David Tsao net worth
Quick answer
David Tsao's estimated net worth is $50.0M (range $35.0M – $75.0M) as of 2026. David Tsao is CTO at BillionToOne. BillionToOne valuation.
David Tsao is CTO at BillionToOne (YC S17). Independent Entrepreneurial Check model estimate from public YC data.
At a glance
- Company status: Public
- Education: PhD in Bioengineering from Rice University; Bachelor's in Physics (cum laude) with minors in Biophysics and Engineering & Management Systems from Princeton University.
- Region: United States of America
- Industries: Healthcare, Diagnostics
- Team size: 300
- Website: https://www.billiontoone.com
Who is David Tsao?
David Tsao is the co-founder and CTO of BillionToOne, a precision diagnostics company that develops and offers molecular diagnostic products. He is the original inventor of their molecular counting platform, which enhances cell-free DNA diagnostics.
Highlights:
- Co-founder and CTO of BillionToOne, a Y Combinator S17 alum.
- Original inventor of BillionToOne's molecular counting platform.
- Graduated cum laude from Princeton University and holds a PhD from Rice Universi
About BillionToOne
BillionToOne has developed a DNA molecular counter that increases the cell-free DNA diagnostics resolution by over 1,000 fold, which unlocks transformative improvements in prenatal screening and liquid biopsy for cancers. Unity Screen, BillionToOne's commercially available non-invasive prenatal test (NIPT), is the only NIPT that can assess fetal risk for both recessive conditions and aneuploidies from maternal...
FAQ: David Tsao net worth and BillionToOne valuation
What is David Tsao's net worth?
David Tsao's estimated net worth is $50.0M (range $35.0M – $75.0M) as of 2026. David Tsao is CTO at BillionToOne. 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 BillionToOne valuation?
BillionToOne's estimated valuation on Entrepreneurial Check is $2.0B. 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 David Tsao's role?
David Tsao is CTO at BillionToOne, a Y Combinator-backed startup (batch S17).