An angel investor and operator angel based in New York, United States, Jay Mandelbaum has 6 known investments: Fundbox, Policygenius, Banked, Standard Treasury, C2FO and Street Contxt.
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Investment focus
- Stage
- Seed
Contacts
Jay Mandelbaum portfolio companies (6)
- Fundbox
- Policygenius
- Banked
- Standard Treasury
- C2FO
- Street Contxt
Investor Profile
The listing covers sectors AI, Commerce and FinTech, and focus areas Banking, Computer Vision, Cybersecurity and Fraud Prevention. Startups operating in these areas may find Jay Mandelbaum relevant.
Stage-wise, the known deals cluster around Seed rounds.
The portfolio and focus above give founders context on whether Jay Mandelbaum matches their raise.
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Frequently asked questions
Who is Jay Mandelbaum?
Jay Mandelbaum is an angel investor and operator angel based in New York, United States with 6 known investments on file, among them Fundbox, Policygenius and Banked. The sections above list the sectors and stages attached to that record.
What does Jay Mandelbaum invest in?
Listed sectors include AI, Commerce and FinTech; listed focus areas include Banking, Computer Vision, Cybersecurity and Fraud Prevention. Those tags come from the companies attached to this profile, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Jay Mandelbaum invest at?
The known deals of Jay Mandelbaum include Seed rounds. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
How do I contact Jay Mandelbaum?
An email address, a phone number and a LinkedIn page are on file for Jay Mandelbaum. 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