An angel investor and operator angel based in United States, Justin Rosenstein has 9 known investments: Career Karma, Ligandal, OccamzRazor, Little Bird, Good Money, Sustain, Vibely, ONEDOME and Cabin.
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Investment focus
- Sector
- AIFinTechHealthcareSaaS
Contacts
Justin Rosenstein portfolio companies (9)
- Career Karma
- Ligandal
- OccamzRazor
- Little Bird
- Good Money
- Sustain
- Vibely
- ONEDOME
- Cabin
Investor Profile
The known portfolio sits in sectors AI, FinTech, Healthcare and SaaS, and focus areas Biotech, Enterprise SaaS, Machine Learning and Social Media.
Justin Rosenstein appears in Pre-Seed and Seed rounds across the known deals.
The portfolio and focus above give founders context on whether Justin Rosenstein matches their raise.
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Frequently asked questions
Who is Justin Rosenstein?
Justin Rosenstein is an angel investor and operator angel based in United States with 9 known investments on file, among them Career Karma, Ligandal and OccamzRazor. The sections above list the sectors and stages attached to that record.
What does Justin Rosenstein invest in?
Listed sectors include AI, FinTech, Healthcare and SaaS; listed focus areas include Biotech, Enterprise SaaS, Machine Learning and Social Media. 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 Justin Rosenstein invest at?
The known deals of Justin Rosenstein 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.
How do I contact Justin Rosenstein?
An email address and a LinkedIn page are on file for Justin Rosenstein. 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