Who founded One Biosciences?

One Biosciences was founded by Céline Vallot in 2020.

Who are One Biosciences's investors?

One Biosciences's investors include Blast.Club, Galion.exe, Kima Ventures, Polytechnique Ventures, Invus, REDMILE, Sofinnova Partners.

Where is One Biosciences headquartered?

One Biosciences is headquartered in Paris, FR.

One Biosciences

Paris, FR · Founded 2020 · 43 employees on LinkedIn · 9 known investors

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OneBio Sciences provides clinical-grade single-cell RNA sequencing analysis of tumor samples to support cancer diagnostics and drug development. The platform delivers tumor intelligence reports with functional signatures for precision oncology within two weeks.

AI & Machine Learning Biotech Digital Health Medical Devices

Founders & leadership

One Biosciences was founded in 2020 by Céline Vallot.

Céline Vallot Co-founder & CSOPrincipal investigator at Institut Curie/CNRS since 2017, where her lab studies epigenome dynamics in breast cancer during treatment and early tumorigenesis using experimental and computational methods, and a co-founder of Institut Curie's Single-Cell Initiative. She is scientific co-founder and CSO of One Biosciences, which provides high-resolution single-cell profiling of tumors to guide cancer treatment decisions.

Investors · 9

Also in the syndicate · 2

Adamed TechnologyBlastlead

Funding

SEC filings, press & company announcements

Undisclosed amountSeries AJul 2025 · 3 sources
Blast (lead), Redmile Group (lead), Adamed Technology, Galion.exe, Invus, Kima Ventures, Polytechnique Ventures, Sofinnova Partners
Source ↗

Source: company announcements and press reports — follow each round's link for the claim.

In the news

One Biosciences Receives €3,3 Million Funding Under i-Démo 5 From France 2030 to Accelerate Development of First Single-Cell Diagnostic for Triple-Negative Breast Cancer, in Collaboration With Institut Curie - BioSpacebiospace.com · Sep 2026

One Biosciences Announces €15 Million Series A Financing to Advance Clinical Single Cell Profilingprnewswire.com · Jul 2025

One Biosciences Raises €15M in Series A Fundingfinsmes.com · Jul 2025

Frequently asked questions

What does One Biosciences do?: OneBio Sciences provides clinical-grade single-cell RNA sequencing analysis of tumor samples to support cancer diagnostics and drug development. The platform delivers tumor intelligence reports with functional signatures for precision oncology within two weeks.
Who founded One Biosciences?: One Biosciences was founded by Céline Vallot in 2020.
Who are One Biosciences's investors?: One Biosciences's investors include Blast.Club, Galion.exe, Kima Ventures, Polytechnique Ventures, Invus, REDMILE, Sofinnova Partners.
Where is One Biosciences headquartered?: One Biosciences is headquartered in Paris, FR.