Waldyr Filho is a jiu-jitsu black belt under Ricardo Marques and a representative of the Brazilian Top Team (BTT), Juiz de Fora branch, a prosperous academy, known for producing top-level athletes. Waldyr made a name for himself while competing in the colored belt divisions of the sport, particularly in the IBJJF (International Brazilian Jiu-Jitsu Federation) circuit, a time when he conquered important medals in the World, European and Brazilian National Championships.