Leonid radvinsky is a united kingdom-based ukrainian-american billionaire businessman and computer programmer. He is the founder of the cam site myfreecams (through his holding company, mfcxy, inc. ), and the majority owner of content subscription service onlyfans. As of october 2025, he had an estimated net worth of $7. 8 billion, per forbes' real-time billionaire rankings.

Onlyfans has been criticised for hosting hurtful material including sexual videos of children. Onlyfans is a subscription-based social platform that empowers creators to monetize their content while building genuine connections with their audience.