Jay Zeidman works as a Managing Partner and Co-Founder at Altitude Ventures. The firm's known portfolio counts 6 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Managing Partner and Co-Founder at Altitude Ventures, whose known portfolio counts 6 companies
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Investor Profile
Jay Zeidman is listed against sectors FinTech, Food, Healthcare and SaaS, and focus areas Brazil-focused, Clinical Trials, Cloud Infrastructure and Digital Health in the database.
Stage-wise, the deals at Altitude Ventures cluster around Growth, Late-Stage and Pre-Seed rounds.
What the affiliated firm has backed is the closest available signal on whether Jay Zeidman is worth approaching.
Colleagues at Altitude Ventures
Frequently asked questions
Who is Jay Zeidman?
Jay Zeidman is a venture capital investor based in Houston, Texas, United States, listed as Managing Partner and Co-Founder at Altitude Ventures. The known portfolio of that firm counts 6 companies. That portfolio belongs to the firm, not to Jay Zeidman personally.
What does Jay Zeidman invest in?
Listed sectors include FinTech, Food, Healthcare and SaaS; listed focus areas include Brazil-focused, Clinical Trials, Cloud Infrastructure and Digital Health. 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 Jay Zeidman invest at?
Altitude Ventures appears in Growth, Late-Stage and Pre-Seed rounds across its known deals, and Jay Zeidman is listed there as Managing Partner and Co-Founder. 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 Jay Zeidman listed at?
Jay Zeidman is listed as Managing Partner and Co-Founder at Altitude Ventures. 3 other people in the database share a firm with Jay Zeidman.
How do I contact Jay Zeidman?
An email address, a phone number and a LinkedIn page are on file for Jay Zeidman. 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