Hunter Campbell

William Hunter Campbell (born 1984)

Early life and education Campbell was born and raised in Las Vegas, Nevada. His father Donald was a renowned attorney who founded the law firm Campbell & Williams in 1986. Growing up in Las Vegas as a sports fan, Campbell was drawn to prize fighting and UNLV basketball. He also dreamed of becoming a casino owner. Campbell's first job was as a busboy for Michael Gaughan, Frank Toti and Tito Tiberti of Coast Casinos; he later worked on cases for Gaughan and Tiberti after becoming a lawyer.

After earning a BA from Washington University in St. Louis, Campbell received a MsC from Columbia University. He had an internship at the Ultimate Fighting Championship (UFC) in 2006. Campbell attended UNLV's William S. Boyd School of Law, where he graduated with his JD in 2011.

In April 2019, Campbell was appointed as the UFC's chief business officer. White described Campbell in 2024 as his "wartime consigliere", adding: "We’ve always had a lawyer involved on the fight side of things because obviously there’s contractual issues ... and no one has ever done it as good as Hunter has. He’s super passionate about the sport, he’s super passionate about fighting and he’s a fucking great lawyer." Explaining his role in the UFC, Campbell testified: "I run the fight business, and [White] runs the entire company."