David Gregory is an NFLPA-certified contract advisor and sports attorney affiliated with Bullrush Sports, a football-focused athlete representation agency based in Grand Rapids, Michigan. He has been certified by the National Football League Players Association (NFLPA) since 2023 and represents professional football players and emerging prospects in contract negotiations, pre-draft advising, and career management services. Gregory is also the founder and a key executive at Bullrush Sports, where he plays a central role in athlete representation and business operations. The agency describes itself as a modern sports management firm representing football players, coaches, and content creators, with services spanning contract negotiation, NIL guidance, branding, and career development support. In addition to his sports agency work, Gregory is a practicing attorney, bringing legal expertise into his representation practice. His dual background in law and sports management allows him to advise athletes on contract structure, compliance with the NFL Collective Bargaining Agreement (CBA), and long-term financial and career planning.