Justin Mateen is an angel investor and operator angel based in United States with 14 known investments, including Rise, Last Energy, Whop, mPharma, DoNotPay, Slash, Volopay, Ohi, Serve AI, Somethings, Hidden Studios and PayMongo.
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Investment focus
- Stage
- Series A
Contacts
Justin Mateen portfolio companies (14)
- Rise
- Last Energy
- Whop
- mPharma
- DoNotPay
- Slash
- Volopay
- Ohi
- Serve AI
- Somethings
- Hidden Studios
- PayMongo
- Urbanic
- Estate Media
Investor Profile
Founders in the listed sectors Commerce and Consumer, and focus areas E-Commerce, Groceries, Marketplaces and Social Media will recognize the pattern in this portfolio.
Justin Mateen appears in Series A rounds across the known deals.
Reviewing the investment history helps decide whether there is a realistic fit before reaching out.
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Frequently asked questions
Who is Justin Mateen?
Justin Mateen is an angel investor and operator angel based in United States with 14 known investments on file, among them Rise, Last Energy and Whop. The sections above list the sectors and stages attached to that record.
What does Justin Mateen invest in?
Listed sectors include Commerce and Consumer; listed focus areas include E-Commerce, Groceries, Marketplaces 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 Mateen invest at?
The known deals of Justin Mateen include Series A 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 Mateen?
A LinkedIn page is on file for Justin Mateen. It is readable inside RaiseHunt after you create an account. The database holds no email address and 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