Rosendo Diaz Brazilain Jiu-Jitsu Team

Rosendo Diaz BJJ maintains its home training academy at Harleysville BJJ in Harleysville, Pennsylvania. Fourth-degree black belt Rosendo Diaz began training before 1993, sharing mat time with figures including Rickson Gracie. In 1996, he opened The Modern Combat Academy in Pennsylvania and began instructing defensive tactics for law enforcement personnel. In 2003, Rosendo received his black belt from Royler Gracie and David Adiv, tracing his lineage to Gracie Humaita. Between 2011 and 2023, he led the 3rd Generation Jiu-Jitsu Team, developing multiple black belts. Every instructor at Harleysville BJJ trained under Rosendo Diaz, continuing his hands-on instructional standards on the mats. Training offerings at Harleysville BJJ include group classes, small group training, and one-on-one private lessons tailored to individual development. The academy provides instruction focused on fundamentals, repeatable mechanics, and competition systems. Prospective students can contact the academy through the website to schedule training sessions.