Jack began training Jiu Jitsu in 2019, immediately training full time in the academy to become one of the most active up and coming competitors in the area, earning victories in superfights such as Toro Cup, Midwest Finishers, and American Jiu Jitsu League. Jack spends countless hours studying the art and emulating creative guard play to become prolific in leg lock attacks and guard passing. He instructs the No Gi Competition classes with a heavy focus on the ecological art of Jiu Jitsu. His biggest grappling influences are Willliam Tackett, Ethan Crelinstein, and Diego Pato.