Guilherme Rocha is a Brazilian jiu-jitsu black belt, a rank awarded by his father José Olimpio (also known as Zé Radiola). Widely regarded as one of his generation's best feather/lightweight competitors, a reputation earned by conquering important titles on the International Brazilian Jiu-Jitsu Federation (IBJJF) calendar, Rocha is also one of the top representatives of the ZR Team in the sport's worldwide circuit.