DTI's  Chief Instructor,  Edgardo Perez,  has more than 30 years of training in Hapkido in both the United States and South Korea, a Full Instructor in Filipino Largo Mano Eskrima as well as being the founder and Chief Instructor of Guazabara Esgrima . Perez is a law enforcement veteran of more then twenty years who has also been teaching Police Defensive Tactics to local, state and military personal during that time. He is a member of  Illinois Tactical Officers Association and a  charter member of The International Law Enforcement Educators & Trainers Association (ILEETA). He remains on active duty as  Sergeant of Detective's .....more

Instructor Ronald Grist, Jr. SBN

3rd Dan Hapkido

Mr. Grist joined the DTI team with over 15 years of training in the martial arts. He currently holds Black Belt ranking in Hapkido, Tang Soo Do and the Okinawan Weapons system of Kobudo. He is a specialist in CQC Tactics. Mr. Grist was promoted to 3rd Dan on December 9, 2007.

Instructor Jim Gellner, SBN

2nd Dan Hapkido

Mr. Gellner has been a member of DTI for 6 years training in Jun Sa Hapkido with over 10 years of experience in the martial arts. He is currently holding the rank of Hapkido (Sandan), Apprentice in Guazabara, World Guazabara Federation Lifetime Council Member & Armas de Mano Instructor.  Mr. Gellner was promoted to 2nd Dan December 9, 2007.

Instructor William Guralnick, SBN

2nd Dan Hapkido

Mr.  Guralnick has been a member of  DTI for ten years training in Warrior Hapkido, holding the rank of Sandan. He is a Lifetime Member of The World Guazábara Federation and  holds the rank of  Apprentice-Instructor. He is a former student of Shorei Goju Ryu under the Robert Trias (Count Dante) lineage.

Takena Efrain Valentin

1st Dan Guazabara

Mr. Valentine is a Full Instructor of Guazabara and a Mixed Martial Arts practitioner. He currently holds the rank of 1st Dan Guazabara and assist teaching Guazabara students on Monday and Tuesday nights.

Instructor Desi Perez, SBN

1st Dan Hapkido

Ms. Perez has been a member of the DTI family for the past seven years and a 1st Dan in Warrior Hapkido as well as having received a 1st Dan in Guazabara. Ms. Perez teaches the Youth Hapkido program in Batavia and Montgomery.

Ms. Sabrina Aiello

Warrior Fitness Coach

Ms. Aiello is a Shodan blackbelt in Goju Ryu, a student of Jun Sa Kwan Hapkido & Guazabara and the  instructor and founder of  Warrior Fitness .