Matheus Gabriel Barros is a Brazilian jiu-jitsu black belt under Keiser Girão and a representative of the Checkmat team in this sport/martial art's international competitive circuit. Widely regarded as one of the top featherweight (70,00 kg / 154.5 lbs) athletes of his generation, Matheus Gabriel also worked extensively with coaches Alcenor Alves, Sammi Dias, Diogo Dutra and Márcio Rodrigues, earning his reputation early in his career through outstanding performances in the colored belt divisions - particularly at brown belt where he conquered two IBJJF world titles (gi + no-gi) and achieved a 33-1 record with a 70% submission ratio.