John Danaher is a Brazilian jiu-jitsu black belt, mixed martial arts coach, and philosopher. He is widely regarded as one of the most influential figures in the world of martial arts. He is the head coach of the Renzo Gracie Academy in New York City and has trained some of the world’s most successful MMA fighters, including Georges St-Pierre, Chris Weidman, and Garry Tonon. Danaher is known for his innovative approach to martial arts, which combines traditional Brazilian jiu-jitsu techniques with modern sports science. He has developed a system of grappling techniques known as the “Danaher Death Squad”, which has been adopted by many of the world’s top MMA fighters. He is also a prolific writer and has published several books on martial arts, philosophy, and the science of human performance. Danaher is a highly sought-after instructor and has taught seminars around the world. He is a passionate advocate for the development of martial arts as a sport and has been instrumental in the growth of the sport in the United States. He is a firm believer in the power of martial arts to transform lives and has dedicated his life to helping others reach their full potential.