Venture capital fund founded by Tinder co-founder Justin Mateen, backing entrepreneurs with 'something to prove' from underestimated backgrounds, with notable investments in Brex, Deel, and Alto Pharmacy.

Los Angeles, United States · 34+ investments · 77 portfolio companies

Seed
Early Stage
Fintech
Healthcare
Headquarters
Los Angeles, United States
Founded
2020
AUM
$247.0M
Portfolio Companies
77
Total Investments
34
Last Investment
Dec 2025
Geographic Focus
Africa, Latin America, North America

Investment Thesis

Seed-stage fund by Tinder co-founder backing consumer, fintech, healthcare, and emerging market startups globally.

JAM Fund is a Venture Capital firm based in Los Angeles, United States. It has made 34 investments in Fintech and Healthcare, including Gobillion, PayMongo and Heading Health.

Portfolio77

Co-investors24

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24 co-investors across 127 shared portfolio companies — who they back alongside, and how often they lead.

Venture Capital ×19 · Individual ×2 · Hedge Fund ×2 · 31 shared rounds

Investment History

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