Nicholas Meregali is a Brazilian jiu-jitsu black belt under Mario Reis and Jeferson Adan, as well as a former representative of the Alliance Academy in the sport's competitive circuit, being widely regarded as one of the best competitors to have ever graced the sport, a status earned through his multiple world titles in the International Brazilian Jiu-Jitsu Federation (IBJJF) at the professional level. In December 2016 Nicholas was also highlighted by BJJ Heroes as the #1 New Black Belt Prospect for 2017. Meregali also worked with John Danaher and Gordon Ryan, a relationship that was initiated in 2022.