OnlyFans billionaire Leonid Radvinsky dies at 43 after cancer battle

Leonid Radvinsky, the billionaire owner of OnlyFans, has died at the age of 43 after a long battle with cancer. His passing on 23 March 2026 leaves behind a multi-billion-dollar business and unanswered questions about its future leadership. Under his control, the platform grew into a global giant, with 4.6 million creators and 377 million users by 2024.

Radvinsky took over OnlyFans in 2018 when he acquired a majority stake in its parent company, Fenix International, for around €11,570. As director and majority shareholder, he transformed the platform into a financial powerhouse. By 2024, OnlyFans generated $1.4 billion in revenue, with Radvinsky personally collecting $1.8 billion in dividends since 2021.

Born in Odesa to Jewish Ukrainian parents, he grew up near Chicago and later studied economics at Northwestern University. Before OnlyFans, he ran a venture capital fund called Leo, investing in tech startups. Despite his wealth and influence, he avoided public attention, keeping his cancer diagnosis private until his death.

In February 2026, early talks emerged about selling a 60% stake in Fenix International for $5.5 billion, including $2 billion in debt, to Architect Capital. These discussions now face uncertainty following Radvinsky's death. His family has asked for privacy, while the company's legal structure—registered in the UK under Fenix International—remains unchanged for now.

In 2024, Radvinsky and his wife, Katie Chudnovsky, funded a $23 million cancer research programme, hinting at his illness. Forbes estimated his net worth at $4.7 billion in 2023, largely built on OnlyFans' explosive growth during the COVID-19 pandemic.

Radvinsky's death leaves OnlyFans at a crossroads, with no immediate clarity on how his stake will be distributed. The platform's future ownership and strategic direction now depend on unresolved legal and financial negotiations. His passing also closes a chapter for a company that reshaped digital content under his leadership.