Phil "Jiu-Jitsu Matrix" Migliarese is an American 6th degree Relson Gracie Brazilian jiu-jitsu Black Belt and is the youngest person to receive that honor from Relson and was one of the first Americans to be promoted to Black Belt. Phil is a Gracie Worlds and National Champion, Migliarese is a trainer, training partner and coach to UFC and MMA fighters as well as World and Pan-Am Champions. Migliarese is also a yoga instructor and author/creator of Yoga For Fighters. He lives in Philadelphia, Pennsylvania, where he teaches co owns with his brother, Ricardo Migliarese Balance Studios and their affiliations.