Dojo Staff
Meet our lead instructors. Click a card to read the full bio.




Yudansha (Black Belts)

Sensei Tom Hardy
Sandan — 3rd Dan

Mr. Ayush Dabbirru
Shodan — 1st Dan

Mr. Alexander Nardoni
Shodan — 1st Dan

Shihan James R. Jones, MS, NCC, CCMHC
Hachidan — 8th Degree • Dojo Cho — Head Master
Shihan Jones is a Doctoral candidate in psychology and is the founding father (Kaicho) of Mushin no Shin Aikijujutsu Do and owner of the Fishhawk Martial Arts Academy. The academy is a traditionally based environment that best suits the precepts of the warrior spirit. Shihan Jones has studied and performed a variety of martial arts for over 55 years, studying Goju Karate, military close quarters combatives, Daito Ryu Aikijujutsu, and Shintoyoshin-kai (American combat jujitsu).
He is a certified self-defense weapons (Kubaton) Instructor for Florida Sheriff’s and Municipal Police organizations. He holds a Master’s Degree in Psychology, is a certified Reiki Master, and an active member of IDEA Health & Fitness Association. As a career U.S. Army Special Forces Officer with multiple combat tours, he received the Combat Infantry Badge, Bronze Star, and the Legion of Merit for 31 years of service.
He has instructed combat defense to Law Enforcement agencies, civilian schools, and US/foreign military units, and serves as the clinical assessment liaison to the Pasco County Sheriff’s Office Threat Management Unit. He lectures on Life Skills, Mindfulness, and Communications, and specializes in Women’s and Seniors self-defense and the mental state of combat. Shihan Jones is MLO for American Budokai International and a member of the American Budokai Society.

Renshi Jason P. Rock
Rokudan — 6th Degree • Dojo Cho — Co-Founder
Jason Rock is the co-founder and chief instructor at Fishhawk Martial Arts Academy. He is a current Law Enforcement officer (Deputy Sheriff – Captain) and a retired active-duty Special Operations Officer with backgrounds in Psychological Warfare and Counter-Terrorism, and former Military Law Enforcement and NBC Warfare specialist.
He received the Legion of Merit, two Bronze Stars, and the Combat Action Badge. He has studied Military combatives, American Kenpo, Shintoyoshin-Kai combat jujitsu, Taichi Chuan, Gracie Jiu-jitsu Survival Tactics, Law Enforcement Defensive Tactics, and Aikijujutsu. He is an internationally certified Reiki Master and Tai-Chi instructor.
Renshi Rock has taught LE defensive tactics, advanced firearms & CQB, and hand-to-hand defense to foreign military units and LE agencies worldwide. He has 15+ years of youth coaching, is an FDLE certified instructor for defensive tactics and firearms, and serves as a Military Liaison Officer and lifetime member of American Budokai International and the Taoist Tai-Chi Society.

Sensei Steven Nardoni
Nidan — 2nd Degree • Shotokan Karate Instructor
Sensei Nardoni is the Shotokan Karate instructor at FishHawk Martial Arts Academy. He is a law-enforcement supervisor with the Florida Department of Law Enforcement and a Colonel in the Army Reserves with a Military Intelligence background.
He has trained for 20+ years in Goju-Ryu and Shotokan (Nidan), Shintoyoshin-Kai combat jujitsu, Seizankai Zen Nippon Toyama-Ryu Iaido Renmei, military combatives, law-enforcement defensive tactics, and Aikijujutsu (Sandan).

Sensei Chris Gramling
Nidan — 2nd Degree • Toyama-Ryu Japanese Sword Instructor
Sensei Gramling has trained since 1994 with a primary focus on Iaido and Japanese sword arts. He trained in Japan in Iaido and Tameshigiri under Sezankai Toyama-Ryu’s strict curriculum with Hataya Mitsuo Sensei in Machida, Japan.
Chris holds Nidan (Zen Nippon Toyama-Ryu Iaido), Shodan (Muso Shinden Ryu Iaido), and Shodan (Shinmei Shorin-Ryu). He is dedicated to sharing sword arts with the community.