Priit Mihkelson is an Estonian Brazilian jiu-jitsu black belt known for his work on defensive grappling. His teaching explores protective positions, transitions and progressive resistance rather than treating techniques as isolated sequences. He helped establish the MMA and BJJ club 3D Treening in 2005, developing his approach through experimentation and study. He is the creator of Defensive BJJ and head coach of Estum Jiu Jitsu in Estonia.
