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1035 O'Brien Drive
Menlo Park, CA 94025
(650) 460-2551
Website Company Summary Management Team

CEO: Oguzhan Atay (1/31/2016)
Finance: Christina Shao (5/31/2021) ; Nipun Soni (6/15/2021)
Technology: Shan Riku (1/31/2019) ; David Tsao (4/30/2017)
Sales/Marketing: Nancy Johnson
Former Employees: Oscar Cabot Sukrit Silas


Business description: BillionToOne, headquartered in Menlo Park, California, is a molecular diagnostics company with a mission to make molecular diagnostics more accurate, efficient, and accessible for all. The Company's QCT molecular counter platform is the only technology that can count DNA molecules at the single-count level with single base-pair precision. BillionToOne was co-founded by Oguzhan Atay, Ph.D., and David Tsao, Ph.D. For more information, visit

Rounds: 5
Recent Fundings: Mar 2022   Jun 2021
Capital raised: 212.5M
Last Round: 125.0M
Ownership: Private  
VCs include: Norwest Venture Partners Adams Street PartnersY Combinator500 GlobalFour Rivers Group ;  existing investors ;  Hummingbird Ventures Neotribe Ventures NewDo Venture Fifty YearsUpHonest Capital Civilization Ventures ;  Pacific 8 Ventures HOF Capital ;  Libertus Capital;  TIME BioVentures
Angels/other VCs: Wei Gou (UpHonest Capital);  Doktor Gurson (Rad AI)

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Last Mentions

Record updated: Mar 2022
Sector: Biotech
Year Founded: 2016
Headcount: 201-300 as of Mar 2022
Rounds: 5
Recent Fundings: Mar 2022   Jun 2021
Capital Raised: 212.5M
Last Round: 125.0M
Ownership: Private