John Gannon works as a General Partner at Sunbridge Partners. The firm's known portfolio counts 19 companies.
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Investment focus
- Focus
- APIClean EnergyCloud InfrastructureCommerce EnablementDevOpsE-CommerceEnterprise SaaSHR TechJapan JV market-entryJapan Market EntryMarketing TechSpeechVertical SaaS
Contacts
Affiliated funds' portfolios
General Partner at Sunbridge Partners, whose known portfolio counts 19 companies
- Salesforce
- Bloom Energy
- Diggle
- Concur
- Clipline
- Demandware
- Knowgene
- Mama Square
- Sea Sky Land
- SilkRoad Technology
- Zipit Wireless
- Boomi Japan
- and 7 more
Investor Profile
John Gannon is listed against sectors AI, Climate, Commerce and SaaS, and focus areas API, Clean Energy, Cloud Infrastructure and Commerce Enablement in the database.
Sunbridge Partners appears in Growth, Late-Stage and Pre-Seed rounds across its known deals.
What the affiliated firm has backed is the closest available signal on whether John Gannon is worth approaching.
Colleagues at Sunbridge Partners
Frequently asked questions
Who is John Gannon?
John Gannon is a private equity investor and venture capital investor based in Beachwood, Ohio, United States, listed as General Partner at Sunbridge Partners. The known portfolio of that firm counts 19 companies. That portfolio belongs to the firm, not to John Gannon personally.
What does John Gannon invest in?
Listed sectors include AI, Climate, Commerce and SaaS; listed focus areas include API, Clean Energy, Cloud Infrastructure and Commerce Enablement. 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 Gannon invest at?
Sunbridge Partners appears in Growth, Late-Stage and Pre-Seed rounds across its known deals, and John Gannon is listed there as 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 Gannon listed at?
John Gannon is listed as General Partner at Sunbridge Partners. 3 other people in the database share a firm with John Gannon.
How do I contact John Gannon?
A LinkedIn page is on file for John Gannon. It is readable inside RaiseHunt after you create an account. The database holds no email address and 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