Thiago Barreto Marques is a Brazilian jiu jitsu black belt under Burtom Deivisom, being also one of the top BJJ featherweight athletes of his generation, a reputation earned after conquering important titles such as the UAEJJF Abu Dhabi Pro, the UAE federation's Grand Slam Tour as well as the IBJJF Rio International Open. Barreto became known to the wider grappling audience as a member of the Commando Group BJJ team.