Dana Frederick White Jr. was born on July 28, 1969, in Manchester, Connecticut. Raised in a working-class environment, he attended the University of Massachusetts Boston before leaving to pursue a career in business. His early professional life included running a boxing gym in Boston, where he honed his understanding of combat sports and athlete management, experiences that would later prove instrumental in reshaping the landscape of mixed martial arts.

White's entry into the world of MMA began as a manager for fighters, including Tito Ortiz and Chuck Liddell. In 2001, he learned that the struggling Ultimate Fighting Championship was for sale and alerted his childhood friends, Frank and Lorenzo Fertitta. The Fertittas purchased the promotion for $2 million and installed White as its president. Despite early financial difficulties, White's relentless promotional efforts kept the organization afloat during its lean years.

A turning point came in 2004 when White co-created The Ultimate Fighter, a reality television series that gave aspiring fighters a platform to compete for a UFC contract. The show's success dramatically expanded the UFC's audience and transformed mixed martial arts into a mainstream sport. Under White's leadership, the UFC grew into a global phenomenon, staging events worldwide and producing some of the most recognizable athletes in combat sports.

White and the Fertittas continued to lead the UFC until 2016, when the promotion was sold for $4 billion to a consortium led by WME-IMG. White retained his role as president, and in 2023, following a reorganization of the ownership structure into TKO Group Holdings, he was named chief executive officer. In 2025, Forbes estimated his net worth at over $600 million, a testament to his decades of stewardship over the world's premier MMA organization.

Beyond the octagon, White has expanded his business portfolio. In 2022, he founded Power Slap, a slap fighting promotion that generated significant attention and controversy. In 2025, Meta Platforms elected him to its board of directors, reflecting his influence beyond sports. That same year, he co-founded Zuffa Boxing, a professional boxing organization in which he serves as promoter, signaling a return to the sport where his combat sports journey began. White resides with his wife, Anne Stella, and remains one of the most powerful and recognizable executives in global sports and entertainment.