Saisei Ventures
Venture capitalCambridge · Pre-Seed–Growth · 5 people tracked
Also known as Saisei Ventures LLC
Investment thesis
Saisei Ventures focuses on the Japanese biotech ecosystem, creating and backing ventures that translate pioneering Japanese research into globally competitive companies. It pairs cutting-edge science with global business and development experience, working alongside scientists, industry experts, and entrepreneurs. The firm targets advanced therapeutic platforms such as cell immunotherapies, pluripotent cell replacement therapies, and in vivo/ex vivo gene therapies, prioritizing programs with a realistic path to clinical and commercial-scale manufacturing and from proof-of-concept to IND. Although indication-agnostic, it concentrates on serious, life-threatening or debilitating diseases, sourcing technologies from a broad global network with a particular emphasis on Japan.
Source: firm website, verified Aug 3, 2026.
Team · 5 people
from public directories
Frequently asked questions
- What stage does Saisei Ventures invest at?
- Saisei Ventures invests at the Pre-Seed, Seed, Series A, Series B, Series C, Growth stages.
- What sectors does Saisei Ventures focus on?
- Saisei Ventures focuses on Biotech, Healthtech, Medical Devices, Sector Agnostic.
- Where is Saisei Ventures located?
- Saisei Ventures is headquartered in Cambridge, US.
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