// PERSON
Justin Mateen
ROLE ANGEL INVESTORMENTIONS 1LAST SEEN JULY 18, 2026
// BIO
Justin Mateen is the co-founder and former Chief Marketing Officer of Tinder, the dating app he helped launch in 2012. He is currently an active angel investor based in Los Angeles, operating through JAM Fund, which he founded in 2014. His angel investing portfolio includes early-stage investments in companies such as Kalshi, Deel, Brex, FabFitFun, and Home Chef, with notable outcomes across fintech, eCommerce, and transportation sectors. He is a graduate of USC's Marshall School of Business.
// RECENT MENTIONS
// SIGNALS
1 SIGNAL
01
funding·20VC·JULY 18, 2026
“He came in right as I was shutting down Shield... Put in, I think, $125,000 at a $3 million valuation.”
Source→AI-extracted from podcast / newsletter / paper summaries. May contain errors.