JD Olsen

J.D. started his martial arts training as age 5 with Tae Kwon Do. He earned his 1st black belt from Master Kim before moving to Illinois where he would start karate training in Shorei Ryu Karate. For four years J.D. would train under Sensei Casey five to six days a week. He earned his black belt in 1993 before enlisting into the Air Force. Over the past 19 years while on active duty for the Air Force J.D. has trained in many martial arts such as Ninjitsu, Tang Soo Do, Shorin-Ryu, Eskrima, Wing Chun, and Judo. Upon receiving an assignment to Tokyo Japan, J.D. met A.J. Weimer a black belt in Aikido, Jiu-Jitsu and Kali under the Progressive Martial Arts Association. J.D. began training with A.J. in 1999 and earned his 1st degree black belts in 2003 in all three arts. In recognition of his dedication, A.J. awarded J.D. with the school title of Keishidojo. Which means Training Place of the Dedicated Warrior. Some of the more notable people J.D. has had the honor to train with over the years and have had a major influence in his Jiu-Jitsu training were Royce Gracie, Anthony Netzler, Alex Mordine, Professor Carlos Machado, and Sifu Ron Balicki. In 2010, J.D. received his third degree black belts in Combative Aikido, Modern Kali, Jiu-Jitsu Submission Fighting, and Zembujitsu Total Fighting Concepts, all certified under the United States Martial Arts Association, the Progressive Martial Arts Association and the Martial Arts Unlimited Association. Currently J.D. is a Master Sergeant in the Air Force and holds six third degree Black Belts and one first degree Black Belt. He is also a Certified BACK OFF! Women's Self-Defense Instructor. He has also earned the rank of Phase 2 Level 2 under Sifu Ron Balicki in the art of Kali. He is also the director for the Martial Arts Unlimited Association. Wanting to expand and receive an official ranking in Brazilian Jiu-Jitsu, J.D. sought out Professor Helio Soneca. Starting in 2014, in an effort to improve his Brazilian Jiu-Jitsu program and training J.D. will be working with Professor Soneca and Athlete’s Arena. J.D. is the owner and Chief Instructor at Keishidojo Martial Arts & Fitness Center in Sumter SC. Keishidojo is the largest most state of the art martial arts facility in Sumter SC.

Contact Us

Keishidojo Martial Arts & Fitness Center

3632 Broad St Sumter SC 29154
Phone: 803-795-8927