Seiji Miyahara
InvestorInvestor at Taiho Ventures, LLC
Menlo Park, California
Writes $100K β $5M checks Β· typically $1.5M
About
Partner and Senior Investment Director with over 18 years in life sciences. Joined Taiho Ventures in 2016 and serves as board director/observer for several portfolio companies. Previously spent 12 years at Taiho Pharmaceutical in oncology. Holds a PhD in Life Science from Hokkaido University.
Experience
- Taiho Ventures, LLCPartner & Senior Investment Directorcurrent2024 β presentMenlo Park, California, United States
- Taiho Ventures, LLCSenior Investment Director2021 β 2024Menlo Park, California, United States
- Taiho Ventures, LLCInvestment Director2019 β 2021Menlo Park, California, United States
- Taiho Ventures, LLCAssociate Investment Director2016 β 2018Menlo Park, California, United States
- Signadori BioBoard Membercurrent2026 β presentParis, France
- STORM Therapeutics LimitedBoard Observercurrent2026 β presentCambridge, England, United Kingdom
- Magnet BiomedicineBoard Membercurrent2024 β present
- Light Horse TherapeuticsBoard Membercurrent2023 β present
- EpiBiologicsBoard Membercurrent2023 β presentSan Mateo, California, United States
- Delphia TherapeuticsBoard Observercurrent2025 β presentCambridge, Massachusetts, United States
- Transition Bio, Inc.Board Observercurrent2022 β presentCambridge, Massachusetts, United States
- Anavo Therapeutics BVBoard Observercurrent2020 β presentLeiden, South Holland, Netherlands
- Breakpoint Therapeutics GmbHBoard Observercurrent2019 β presentHamburg, Germany
- TheolyticsBoard Observer2020 β 2024Oxford, England, United Kingdom
- Taiho Pharmaceutical Co., Ltd.,Research Fellow2004 β 2016Japan
Education
- Hokkaido UniversityDoctor of Philosophy - PhD, Life Science
Skills & more
Board of DirectorsVenture CapitalFundraisingLife Sciences2Biotechnology1Start-ups1Drug Discovery1Due Diligence1
From Seiji's professional profile.
Same school
Also attended Hokkaido University8
Taruho KurodaImpact Partner at Fresco CapitalTetsu NakajimaInvestor at 15th RockTakeshi MinamotoInvestor at 15th RockKota UnoPrincipal at GMO VenturePartnersDalma RiczuSenior Recruiting & Organizational Development Specialist at MaximonIkkei MatsudaJapan Advisory Partner at Benhamou Global Ventures
+ 2 more
Shared employers
Also worked at STORM Therapeutics Limited5
Also worked at Delphia Therapeutics1
Colleagues at Taiho Ventures, LLC
Hidefumi Kasua
Investment Director at Taiho Ventures, LLC
Hidefumi Kasuga
Investment Director at Taiho Ventures, LLC
Sakae Asanuma
President and CEO at Taiho Ventures, LLC
Shinichi Hasako
Investor at Taiho Ventures, LLC
Takaaki Ishii
Senior Investment Director at Taiho Ventures, LLC
Takayuki Hirano
Associate Investment Director at Taiho Ventures, LLC




















