Tags: Martial Artist.
Keenan Kai-James Cornelius is an American Brazilian Jiu-Jitsu practitioner known for his competitive achievements most notably including what has been dubbed a grand slam in Brazilian Jiu-Jitsu having won double gold medals at four major tournaments – the World Jiu-Jitsu Championship Pan-American Championship European Open Championship and Brazilian National Jiu-Jitsu Championship – at his given belt rank a feat never before accomplished in IBJJF history.