John Clausen works as a Founder and Partner at Mendon Venture Partners. The firm's known portfolio counts 10 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Founder and Partner at Mendon Venture Partners, whose known portfolio counts 10 companies
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Investor Profile
The listing covers sectors AI, FinTech and SaaS, and focus areas AI Applications, Banking, Banking Infrastructure and Customer Support. Startups operating in these areas may find John Clausen relevant.
Mendon Venture Partners appears in Growth, Seed and Series A rounds across its known deals.
What the affiliated firm has backed is the closest available signal on whether John Clausen is worth approaching.
Colleagues at Mendon Venture Partners
Frequently asked questions
Who is John Clausen?
John Clausen is a venture capital investor based in Short Hills, New Jersey, United States, listed as Founder and Partner at Mendon Venture Partners. The known portfolio of that firm counts 10 companies. That portfolio belongs to the firm, not to John Clausen personally.
What does John Clausen invest in?
Listed sectors include AI, FinTech and SaaS; listed focus areas include AI Applications, Banking, Banking Infrastructure and Customer Support. 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 Clausen invest at?
Mendon Venture Partners appears in Growth, Seed and Series A rounds across its known deals, and John Clausen is listed there as Founder and 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 Clausen listed at?
John Clausen is listed as Founder and Partner at Mendon Venture Partners. 2 other people in the database share a firm with John Clausen.
How do I contact John Clausen?
An email address, a phone number and a LinkedIn page are on file for John Clausen. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal