Jonathan Yeh is a Managing Partner at Saisei Ventures, whose known portfolio counts 6 companies.
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Investment focus
- Sector
- AIHealthcare
Contacts
Affiliated funds' portfolios
Managing Partner at Saisei Ventures, whose known portfolio counts 6 companies
- CureApp
- Kenai Therapeutics
- Craif
- Tune Therapeutics
- Optieum Biotechnologies
- United Immunity
Investor Profile
Founders in the listed sectors AI and Healthcare, and focus areas Biotech, Digital Health, Drug Discovery and Regenerative Medicine fall inside that listing.
Stage-wise, the deals at Saisei Ventures cluster around Growth, Seed and Series A rounds.
What the affiliated firm has backed is the closest available signal on whether Jonathan Yeh is worth approaching.
Colleagues at Saisei Ventures
Frequently asked questions
Who is Jonathan Yeh?
Jonathan Yeh is a venture capital investor based in United States, listed as Managing Partner at Saisei Ventures. The known portfolio of that firm counts 6 companies. That portfolio belongs to the firm, not to Jonathan Yeh personally.
What does Jonathan Yeh invest in?
Listed sectors include AI and Healthcare; listed focus areas include Biotech, Digital Health, Drug Discovery and Regenerative Medicine. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Jonathan Yeh invest at?
Saisei Ventures appears in Growth, Seed and Series A rounds across its known deals, and Jonathan Yeh is listed there as Managing Partner. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Jonathan Yeh listed at?
Jonathan Yeh is listed as Managing Partner at Saisei Ventures. 2 other people in the database share a firm with Jonathan Yeh.
How do I contact Jonathan Yeh?
An email address and a LinkedIn page are on file for Jonathan Yeh. 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