José Mario Queiroga, more commonly known in the Brazilian Jiu Jitsu community as Zé Mario Esfiha, is a BJJ 4th degree black belt under Roberto Traven, and a World, Pan American and Brazilian National medallist who is also known as one of the founders of the Brasa Jiu Jitsu academy.
Yukinori Sasa is a Brazilian Jiu Jitsu black belt under the legendary Yuki Nakai, from the renowned grappling academy Paraestra in Japan. Although Sasa is not an avid competitor in the main IBJJF competitions, his skills have earned him medals at the black belt division of the World (Mundial) and Pan American championships, making him one of the top super featherweights of his generation.
