Takaaki Ishii is an angel investor based in San Francisco, California, United States. The known portfolio counts 11 companies: ORIC Pharmaceuticals, Orna Therapeutics, Storm Therapeutics, Werewolf Therapeutics, NextCure, Theolytics, Dren Bio, Arcus Biosciences, Harpoon Therapeutics, Axial Biotherapeutics and Breakpoint Therapeutics.
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Investment focus
- Stage
- Seed
- Sector
- Healthcare
Contacts
Takaaki Ishii portfolio companies (11)
- ORIC Pharmaceuticals
- Orna Therapeutics
- Storm Therapeutics
- Werewolf Therapeutics
- NextCure
- Theolytics
- Dren Bio
- Arcus Biosciences
- Harpoon Therapeutics
- Axial Biotherapeutics
- Breakpoint Therapeutics
Investor Profile
The listing covers sector Healthcare, and focus areas Biotech, Drug Discovery, MedTech and Pharmaceuticals. Startups operating in these areas may find Takaaki Ishii relevant.
Takaaki Ishii appears in Seed rounds across the known deals.
The portfolio and focus above give founders context on whether Takaaki Ishii matches their raise.
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Frequently asked questions
Who is Takaaki Ishii?
Takaaki Ishii is an angel investor based in San Francisco, California, United States with 11 known investments on file, among them ORIC Pharmaceuticals, Orna Therapeutics and Storm Therapeutics. The sections above list the sectors and stages attached to that record.
What does Takaaki Ishii invest in?
Listed sectors include Healthcare; listed focus areas include Biotech, Drug Discovery, MedTech and Pharmaceuticals. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Takaaki Ishii invest at?
The known deals of Takaaki Ishii include Seed rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
How do I contact Takaaki Ishii?
An email address and a LinkedIn page are on file for Takaaki Ishii. The address stays masked on this page and is readable inside RaiseHunt after you create an account. The database holds no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal