David Dunn is an NFLPA-certified agent, founder of Athletes First and one of the most successful football representatives of his generation. A graduate of UCLA and UC Hastings College of the Law, Dunn has been certified by the NFLPA since 1991 and built his career around elite contract negotiation, player advocacy and long-term client relationships. After earlier work in the sports agency business, Dunn helped launch Athletes First, which grew into one of the most powerful football-focused agencies in the country. Dunn has represented many of the most recognizable names in modern football, including Aaron Rodgers, Justin Herbert, Troy Aikman, Clay Matthews, Mark Sanchez and Penei Sewell, along with numerous Pro Bowlers, first-round picks, Hall of Famers, Super Bowl MVPs and Heisman Trophy winners. His work has included record-setting quarterback deals, premium-position contracts and major extensions across multiple NFL eras. Public profiles have credited him with negotiating some of the largest contracts in league history and helping shape the market for quarterbacks, defensive stars and elite offensive linemen. Known for a client-first approach and a reputation for loyalty, preparation and aggressive negotiation, Dunn has remained a central figure in NFL representation for more than three decades. His career reflects legal training, entrepreneurial agency-building and a sustained ability to create leverage for top football talent at the highest levels of the sport.