Fionn Sheerin Sensei has been studying Ju-Jitsu at ASU for 18 years and has been teaching under the guidance of Chris Christian Sensei for the last 14 years. In addition, he has experience in a variety of other martial arts, including several styles of Kung Fu, Krav Maga, Kyusho Jitsu, and Aikido; as well as experience with pressure point striking, pressure points for healing, classical weapons, knives, and modern firearms. He is a certified civilian, law enforcement, and military defensive tactics instructor; an NRA and privately certified firearms instructor; and works as an electrical engineer in Arizona.