OnlyFans Owner Leonid Radvinsky Dies at 43

Leonid Radvinsky, the owner of the adult-content platform OnlyFans, has died of cancer at the age of 43, the company announced on March 23, 2026. The news comes after a largely private battle with the disease.

Who Was Leonid Radvinsky?

Born in Odesa, Ukrainian SSR (now Ukraine) on May 30, 1982, Radvinsky later emigrated to Chicago with his family. He was a Ukrainian-American businessman and computer programmer who built a significant fortune in the digital content space. Radvinsky graduated from Northwestern University in 2002 with a degree in economics [1].

From MyFreeCams to OnlyFans

Radvinsky first gained prominence as the founder of MyFreeCams, a cam site operated through his holding company, MFCXY, Inc. [1]. He acquired Fenix International, the company behind OnlyFans, in 2018 and became the majority shareholder and a director [4].

Financial Success and Philanthropy

As of October 2025, Forbes estimated Radvinsky’s net worth at $7.8 billion [1]. Despite maintaining a low public profile, Radvinsky was known for his philanthropic efforts. He donated $5 million to Ukraine relief in 2022, as well as to cancer charities, animal welfare organizations, and a skin-disorder research fund [1]. He also supported the Memorial Sloan Kettering Cancer Center and the West Suburban Humane Society [1].

Early Ventures and Investments

Radvinsky’s entrepreneurial journey began in 1999, at the age of 17, with his involvement in the incorporation of Cybertania Inc., a website referral business [1]. In the late 1990s and early 2000s, he developed numerous websites. He also operated a venture capital fund called “Leo,” which invested in tech companies, including Israel-based B4X and the social networking software Pleroma [1].

Reaction to His Death

OnlyFans released a statement expressing deep sadness at Radvinsky’s passing, noting that he died peacefully after a long battle with cancer. His family has requested privacy during this difficult time [2]. News of his death quickly spread on social media, with many expressing surprise and condolences [3].