Founders / Ruian Shi
Ruian Shi
Ruian Shi is a co-founder of Blank Bio, a health and biotech AI company based in San Francisco. Ruian Shi co-founded Blank Bio with Jonathan Hsu and Philip Fradkin. Blank Bio raised a US$7.2M seed round in May 2026 from Define Ventures, Leonis Capital, Nova Threshold and others.
Co-founder of Blank Bio.
Blank Bio
RNA foundation models trained on tumour transcriptomes for patient stratification and biomarker discovery in oncology.
- Role
- Co-founder
- HQ
- San Francisco, CA, US
- Status
- Active
- Disclosed raised
- US$7.2M
- Latest round
- Seed, May 19, 2026
- Website
- blank.bio
Co-founders: Jonathan Hsu, Philip Fradkin
Investors: Define Ventures, Leonis Capital, Nova Threshold, Ripple Ventures, SignalFire, Y Combinator
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Data as of November 10, 2026.