Isaac Doederlein is an American Brazilian Jiu-Jitsu black belt under the legendary Rubens Charles, also known as “Cobrinha”.

Isaac began his martial arts journey over 18 years ago, when his mother signed him on her church’s group judo program at the age of 11. At the age of 18, one month after finishing High School, Isaac Doederlein decided to invest everything into his passion, and move to Los Angeles. His goal was to train full time, in hopes to fulfill a life’s dream of becoming a World Champion.In 2022 he won the IBJJF World Championship at Black Belt.His work ethic and journey is an inspiration.