Seiji Miyahara
Venture investor in Menlo Park
Menlo Park, California
Seiji Miyahara, Venture investor in Menlo Park is an active investor based in Menlo Park, California. This profile covers what Seiji Miyahara backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VCInvestor
- Stages
- Seed
- Invests in
- Healthcare & BiotechBiotech & Pharma
- Location
- Menlo Park, California
- Typical check
- $250K
- Past investments
- 18
Notable investments
Theolytics
Harpoon Therapeutics
Werewolf Therapeutics
NextCure
Storm Therapeutics
Axial Biotherapeutics
ORIC PharmaceuticalsLight Horse TherapeuticsHow to reach Seiji Miyahara
Angels and operators like Seiji Miyahara reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.
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About this profile
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Cite this page
Round Funded. "Seiji Miyahara." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/seiji-m
Frequently Asked Questions
What does Seiji Miyahara invest in?
Seiji Miyahara invests in Healthcare & Biotech and Biotech & Pharma, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Seiji Miyahara invest at?
Seiji Miyahara typically invests at Seed. Lead with traction that fits the stage when you reach out.
What is Seiji Miyahara's typical check size?
Seiji Miyahara typically writes checks around $250K. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.