Sebastian Lalli is a Brazilian jiu jitsu black belt under Carlos Lima, originally from Buenos Aires - Argentina. A prestigious ambassador of the sport in the South of Brazil where he established "Equipe 1", one of the biggest teams in the region, Lalli is also a former world champion in the gi and no gi, titles he achieved under the tutelage of Leonardo Vieira who became Sebastian's coach in 2006. In 2008 Sebastian Lalli helped establish the Checkmat academy, a team he co-founded together with the Vieira brothers and Chico Mendes.