Saisei Ventures
Cambridge, Massachusettssaiseiventures.com
Overview
Saisei Ventures is a life science venture capital firm that invests in early-stage companies and builds next-generation healthcare ventures by combining Western expertise with Japanese innovation.
Investments
| Company | Date | Stage | Lead |
|---|---|---|---|
| Senno Therapeutics Inc. | Apr 2026 | Seed | Lead |
| Optieum Biotechnologies | Jan 2025 | Series A | Lead |
| Kenai Therapeutics | Feb 2024 | Series A | Co-investor |
| Kenai Therapeutics | Jul 2022 | Seed | Lead |
| Craif Inc. | Apr 2022 | Series B Extension | Co-investor |
Key People
Hikaru Saito
Partner
Sven Kili
Partner
Sector & Stage Mix
Industry, funding stage, and valuation band breakdowns.