Mr. Shethar McGuire has been studying the martial arts since 1985. He currently holds belts in Tae Kwon Do (green) and a 5th Degree black belt in Jiyu-No Taki-Ryu Jiu-Jitsu. He has studied informally in the styles of Kickboxing, Muay Thai, philosophies of Jeet Kune Do, and some submission grappling. .

While serving in the U.S. Army Mr. McGuire taught hand-to-hand combat to his unit's soldiers (Combatives), in which he advanced the current unit's teachings from his experiences from training for Special Forces Selection (SFAS) while on tour in Bosnia during 1996-1997 and his 1999-2000 tours in the former Yugoslavia.

While on tour with the 10th Mountain Division (Light Infantry), in Fort Drum New York, Mr. McGuire had the privilege to study under Mr. Gregory Gonzalez, a Martial Arts Hall of Fame instructor and an outstanding teacher and student of the martial arts. Mr. McGuire quickly gained an interest in the style, and after much training and teaching earned his 1st degree black belt. After leaving the Army, Mr. McGuire served as the Assistant Instructor to the Combatives Course at Fort Drum. Where he and Mr. Gonzalez taught Fort Drum Infantry soldiers advanced hand to hand combat techniques and methods of survival effective not only on the battlefield, but also in day to day life.

Mr. McGuire was recently promoted from Second Lieutenant in the U.S. Army National Guard to Captain (and he earned his pilot wings) and he is a 5th degree Black Belt in Jiyu-No Taki-Ryu Jiu-Jitsu.