Janni Larsson is a Brazilian Jiu Jitsu black belt under the illustrious instructor Shimon Mochizuki of the Arte Suave Academy (Checkmat affiliate) in Copenhagen, Denmark. A native of Sweden, Larsson is one of the most accomplished European black belts, and the first Swedish black belt world champion (2014), having also been honoured by the Swedish Martial Arts Federation with the 'Swedish Martial Artist Role Model of the Year' award (2014).