
Current Firm
JAM Fund
Focus
Consumer, Fintech
Justin Mateen co-founded Tinder and now runs JAM Fund, a $200M-$300M+ institutional fund where he backs founders with serious domain expertise who have something to prove, writing significant personal checks alongside fund capital to align his own balance sheet with theirs. He uses his consumer-founder credibility to support ambitious companies across frontier categories like nuclear energy, space manufacturing, and AI infrastructure, while also actively investing in emerging markets and maintaining an entrepreneurial footprint in high-profile real estate acquisitions.
Justin Mateen is a Founding Partner, JAM Fund at JAM Fund, based in Los Angeles, CA.
Justin's investment focus spans Consumer, Fintech, Digital Health, primarily investing at the Pre-Seed, Seed, Series A, Series B+ stages. This specialization allows for deep domain knowledge and strong network effects that benefit portfolio companies.
Justin Mateen is a Founding Partner, JAM Fund at JAM Fund, based in Los Angeles, CA. Their investment focus includes Consumer, Fintech, Digital Health.
Justin Mateen focuses on investments in Consumer, Fintech, Digital Health through JAM Fund. These focus areas reflect their domain expertise and the types of startups they actively seek to back.
Justin Mateen is currently at JAM Fund, headquartered in Los Angeles, CA, serving as Founding Partner, JAM Fund.