Jonathan Wasserstrum is an angel investor and operator angel based in New York, United States. The known portfolio counts 21 companies, including Zamp, Jome, Teal, Around, Spleet, Sugar, Here, Warp, Porter Road Butcher, Spacejoy, EQUIP and BuyWander.
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Investment focus
- Focus
- Construction TechEnterprise SaaSLendingPropTechPropTech B2BProperty Management
Contacts
Jonathan Wasserstrum portfolio companies (21)
- Zamp
- Jome
- Teal
- Around
- Spleet
- Sugar
- Here
- Warp
- Porter Road Butcher
- Spacejoy
- EQUIP
- BuyWander
- Fund That Flip
- Kitt
- acasa
- Arrenda
- Myro
- CostCertified
- Stayflexi
- WATS
- 70 Million Jobs
Affiliated funds' portfolios
Founding Partner at Unwritten Capital, whose known portfolio counts 2 companies
- HENRY
- Jitty
Investor Profile
The known portfolio sits in sectors Consumer, FinTech, Real Estate and SaaS, and focus areas Construction Tech, Enterprise SaaS, Lending and PropTech.
Stage-wise, the known deals cluster around Pre-Seed and Seed rounds.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
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Frequently asked questions
Who is Jonathan Wasserstrum?
Jonathan Wasserstrum is an angel investor and operator angel based in New York, United States with 21 known investments on file, among them Zamp, Jome and Teal. The sections above list the sectors, stages and firms attached to that record.
What does Jonathan Wasserstrum invest in?
Listed sectors include Consumer, FinTech, Real Estate and SaaS; listed focus areas include Construction Tech, Enterprise SaaS, Lending and PropTech. 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 Jonathan Wasserstrum invest at?
The known deals of Jonathan Wasserstrum include Pre-Seed and 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.
Which firm is Jonathan Wasserstrum listed at?
Jonathan Wasserstrum is listed as Founding Partner at Unwritten Capital, whose known portfolio counts 2 companies.
How do I contact Jonathan Wasserstrum?
An email address and a LinkedIn page are on file for Jonathan Wasserstrum. 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