Asenjo Brazilian Jiu Jitsu School No matter your age or fitness level, our welcoming environment and experienced instructors will make you feel at home from the very first free class. Diego Asenjo is a 5th-degree black belt in Jiu Jitsu with over 30 years of dedication to the gentle art. He holds a degree in Physical Education and a postgraduate degree in Exercise Physiology. With more than 20 years of experience, Diego has been teaching Jiu Jitsu as a transformative tool, helping children, teenagers, and adults build self-confidence, self-esteem, and social skills, while also promoting healthier habits.