Justin Mateen – Startup Investor Profile

General Info

Justin Mateen, the Founder of Tinder, is an angel investor who looks for founders with a ‘chip on their shoulder’ and a drive to prove themselves. He focuses on disruptive industries such as financial technology, education technology, and healthcare. Mateen’s investment check size ranges from $10,000 to $500,000, with a sweet spot of $100,000. He has been involved in investments in sectors like gaming/eSports, AI, social networks, and marketplaces at various stages. Mateen emphasizes the founder’s story and character when making investment decisions. His collaboration style was affected by a lawsuit involving Whitney Wolfe, resulting in his permanent departure from Tinder.
Location: Beverly Hills, CA
Country: United States of America
Industries:
Investment Regions: EA, NA
Investment Stages: pre-seed, seed
Website:

angel-individual
EA, NA

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🤖 AI Activity Report

Status: very-active

AI Reasoning: Crunchbase lists Justin Mateen’s latest investment as Pre-Seed in Hidden Studios on April 30, 2025. Today is November 1, 2025, so the most recent investment occurred 4 months and 2 days ago, which is less than 6 months. Example startup invested: Hidden Studios.

Angel activity thresholds:
Low Activity – Only known angel investments more than 12 months ago.
Active – Known angel investments between the last 12 and 6 months.
Very Active – Known angel investments in the last 6 months.

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