Leonid Radvinsky, the billionaire owner of OnlyFans, has died at the age of 43 following a private battle with cancer. According to Antigua.news, the company announced his passing in an official statement, requesting privacy for his family.

OnlyFans is a subscription-based platform widely known for allowing creators to sell exclusive content directly to subscribers, including adult material such as nudity and explicit videos, for monthly fees, tips, or one-time charges.

In its statement, the company said Radvinsky "passed away peacefully." His illness had not been widely known, and he had kept his health struggles largely out of the public eye.

Radvinsky, a Ukrainian-American entrepreneur, acquired Fenix International — the parent company of OnlyFans — in 2018. He served as majority shareholder and director, overseeing the platform's rapid global expansion and its transformation into a multibillion-dollar business.

Despite his immense wealth, Radvinsky was known for maintaining a deliberately low public profile throughout his career.

Beyond his business ventures, he was a notable supporter of medical research, particularly cancer-related initiatives, having contributed millions of dollars toward advancing treatment and scientific development in that field.

Radvinsky's leadership played a significant role in reshaping the digital content economy, positioning OnlyFans as a dominant force among subscription-based online platforms worldwide.