Leonid Radvinsky, the reclusive billionaire owner of OnlyFans who turned the London-based site into one of the internet’s biggest adult-content businesses, died after a long battle with cancer, the company said Monday. He was 43.
Radvinsky’s death comes at a delicate moment for the company. OnlyFans has grown from a niche subscription site into a huge global platform with hundreds of millions of users, billions in yearly transactions and an active effort to sell a majority stake. His passing leaves immediate questions about who will control the business, whether those talks will continue and how the platform will handle another year of regulatory pressure while it tries to broaden its image beyond adult entertainment.
Born in Odesa and raised in Chicago, Radvinsky built his career in paid online content long before he became one of the least visible billionaires in tech. The Associated Press reported that he studied economics at Northwestern University, where he was class valedictorian, and Reuters reported that he later created MyFreeCams, an early site that helped normalize paying for explicit material online. In 2018, he bought Fenix International, the company that owns and operates OnlyFans, from founder Tim Stokely. British corporate records show he was appointed a director on Oct. 3, 2018. What followed was a sharp shift in scale and cultural reach. During the pandemic, OnlyFans became a major income source for sex workers and then a broader subscription business used by celebrities, athletes and internet creators. Announcing his death on Monday, a company spokesperson said Radvinsky had “passed away peacefully after a long battle with cancer” and said his family had requested privacy.
The company’s statement was brief, and many basic details remain undisclosed. OnlyFans did not say where Radvinsky died, when he was diagnosed, what treatment he received or when it might release more information. Public corporate documents in Britain still show him at the center of Fenix International. Companies House records list him as an active director and the person with significant control, holding 75% or more of the company’s shares and voting rights, with the power to appoint or remove directors. The company’s registered office remains at 107 Cheapside in London. Its latest public accounts, filed Aug. 27, 2025, list Radvinsky and Lee Taylor as directors and show the business still operating through a compact formal structure despite its vast scale. Those same records do not spell out a succession plan. That leaves a narrow public picture of what happens next, even though control of the company, any estate process and any pending transaction now carry immediate financial and legal importance.
Under Radvinsky, OnlyFans became one of the clearest examples of the creator economy’s power and controversy. Reuters reported Monday that the platform had more than 300 million users and more than $1 billion in annual revenue. Public reporting on the company’s 2024 results painted an even bigger picture of activity on the service, with roughly 377 million fan accounts, about 4.6 million creator accounts and more than $7.2 billion in spending by users across the platform. The service keeps 20% of most payments and gives creators 80%, a split that became central to its pitch and to the loyalty of people who use it to sell subscriptions, clips and direct messages. The model also made Radvinsky enormously wealthy. Financial reporting last August said Fenix paid him a total of $701 million in dividends tied to 2024 results and payouts through early 2025. Even as the company tried to build safer-for-work brands such as OFTV and expand into comedy, music and sports, adult content remained the core of the business that fueled its rise.
That growth never came without pressure. Reuters reported in January that OnlyFans was exploring the sale of a nearly 60% stake to Architect Capital in a deal valuing the company at about $5.5 billion including debt, after earlier talks in 2025 had aimed higher. Reuters also reported that Architect saw a possible path to a public offering in 2028. Neither the company nor the prospective buyer had announced a next step by Monday evening. At the same time, regulators have kept a close watch on the platform. On March 27, 2025, Ofcom fined Fenix International £1.05 million for failing to provide accurate information about its age-assurance measures. The British regulator said accurate information from regulated companies is “fundamental” to its work. Separate Reuters investigations in 2024 documented complaints tied to nonconsensual explicit content and suspected child sexual abuse material on the site, findings that intensified debate over the platform’s safeguards. OnlyFans has said it has invested in moderation, compliance and safety tools, but Radvinsky’s death now lands in the middle of those unresolved business and regulatory pressures.
For all the money and cultural reach tied to his company, Radvinsky himself rarely stood in the spotlight. AP reported that little was known about his personal life and that he seldom spoke publicly. Much of his visible record came instead through filings, a personal website and charitable giving. AP reported that causes he supported included Memorial Sloan Kettering Cancer Center, the West Suburban Humane Society and the University of Chicago Medicine. The company’s public language also offered one of the few regular glimpses into how it wanted to be seen. In an August 2025 statement, Chief Executive Keily Blair said OnlyFans had “continued to grow its revenue and global user base” as it pushed into new categories. In its 2024 annual report, Fenix described the business as “creator-first” and said it was built so creators would be “the primary financial beneficiaries” of their work. That idea helped explain the loyalty the platform inspired among many users, even as critics argued that rapid growth had outpaced the systems meant to police abuse, fraud and illegal material.
As of Monday evening, OnlyFans had not named a successor to Radvinsky’s board seat or controlling stake, had not said whether talks with Architect Capital would continue and had not scheduled a public briefing. The next formal milestone on the public record is Fenix International’s next accounts deadline, Aug. 31, 2026.
Author note: Last updated March 23, 2026.