John Gleeson works as a Founder & General Partner at Success Venture Partners. The firm's known portfolio counts 6 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Founder & General Partner at Success Venture Partners, whose known portfolio counts 6 companies
- Hyper
- 1Mind
- Loamy
- Casium
- Gia
- Cascade AI
Investor Profile
John Gleeson is listed against sectors AI and SaaS, and focus areas Customer Support, Enterprise SaaS, Machine Learning and Sales Tech in the database.
Success Venture Partners appears in Pre-Seed, Seed and Series A rounds across its known deals.
What the affiliated firm has backed is the closest available signal on whether John Gleeson is worth approaching.
Frequently asked questions
Who is John Gleeson?
John Gleeson is a venture capital investor based in San Francisco, California, United States, listed as Founder & General Partner at Success Venture Partners. The known portfolio of that firm counts 6 companies. That portfolio belongs to the firm, not to John Gleeson personally.
What does John Gleeson invest in?
Listed sectors include AI and SaaS; listed focus areas include Customer Support, Enterprise SaaS, Machine Learning and Sales Tech. 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 John Gleeson invest at?
Success Venture Partners appears in Pre-Seed, Seed and Series A rounds across its known deals, and John Gleeson is listed there as Founder & General 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 John Gleeson listed at?
John Gleeson is listed as Founder & General Partner at Success Venture Partners, whose known portfolio counts 6 companies.
How do I contact John Gleeson?
An email address and a LinkedIn page are on file for John Gleeson. 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