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.

Instructor Salvador Videgaray, SBN

2nd Dan Hapkido

Mr.  Videgaray has been a member of  DTI for twelve years training in Warrior Hapkido & Guazabara 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 Lima Lama and a  Street  & Submission Grappling Coach.

Ms. Meghan Ventura

Cardio Kickboxing Coach

Ms. Ventura is the Cardio Kickboxing Instructor as well as a an Asst. Instructor in  Warrior Hapkido and a Senior Student of Guazabara Esgrima.