Edson Diniz is a Brazilian jiu-jitsu black belt under Rogério Poggio, who worked extensively with coaches Pitoco Jordan, Jorge Pereira, and Ricardo Libório while representing the InFight and American Top Team academies in both grappling and mixed martial arts (MMA). Diniz was widely regarded as one of the top jiu-jitsu athletes during the late 1990s / early 2000s era, a reputation earned with medals in the top tournaments of the International Brazilian Jiu-Jitsu Federation (IBJJF).