Our Instructors




Vergy Sheridan – Women’s Program Director,  School Owner

  • Instructor Fortress Fighting Systems,
  • Instructor Specialty Law Enforcement Classes (Sudden Assault Survival for Women in Law Enforcement),
  • Women’s only self-defense classes.
  • Florida State Trooper (class 91).
  • Instructor Becoming an Outdoor Woman Program (BOW).
  • Student apprentice in Combat Submission Wrestling (CSW)



Steve Sheridan Fortress Fighting Systems Director, Law Enforcement Training Director, Combat Submission Wrestling  CSW, School Owner

  • Retired Lieutenant State Police
  • Supervisor/Team Leader Special Operations Group (SOG), an integral part of Florida’s Homeland Security initiative.
  • Leon County Sheriff’s Department – Training Section 6 years.
  • State certifications as a Defensive Tactics and Firearms instructor, TASER instructor, and Active Shooter Instructor.
  • In 2010 he was inducted into the Police Hall of Fame for Lifesaving.
  • Instructor at the state police academy (FPSI) teaching Defensive Tactics, General Police Practices and Advanced classes in Edged Weapons, Firearms, and Defensive Tactics.
  • Teaching self-defense for over 30 years, developing programs for students, families, agencies, and corporations nationwide.
  • State BOW Personal Safety Instructor (Becoming an Outdoor Woman Program).
  • He is the founder of the Fortress Fighting System (TM)
  • Black belts in Taekwondo and Hapkido
  • Steve has a B.S. degree in Sociology with a minor in Criminology from FSU (1994),
  • Masters in Adult Education from University of Phoenix (2010).
  • Training Director for De-Escalate, a company specializing in teaching verbal de-escalation skills to Law Enforcement, Corrections, School Staff/Teachers, and Hospital staff.
  • Certified in Human Performance – Force Science Institute

Russell Wilder  – Kenpo Karate Board Member/Instructor 
  • 5th Degree Black Belt Kenpo Karate



Rupert Giroux –  Kenpo Karate Board Member/Instructor 

  • 4th Degree Black Belt Kenpo Karate
  • Brown Belt by Grandmaster Marty Ferrick of Mizu Ryu Ju-jitsu
  • Experience in Tae Kwon Do, Moo Duk Kwan, and Ju-Jitsu.
  • He also on a limited basis studies Aikido among other martial arts.
  • He has been a student of martial arts for more than 20 years.     



Dean Hilton – Kenpo Karate Board Member/Instructor 

  • 4th Degree Black Belt Kenpo Karate




Kaitlyn Sisk –  Kids Program and Kenpo Karate Board Member 

  • Kenpo Karate 4th Degree Black Belt
  • Women’s Only Instructor.
  • Pursuing degree in Special Education for Special Needs Adults and Children.




Gavin Gossling – Kids Mixed Martial Arts

  • Instructor Fortress Fighting Systems
  • Student apprentice in Combat Submission Wrestling (CSW)
  • 2nd Degree Black Belt in Hapkido

Sifu/Guro Victor Ferreros

The Tallahassee Kali – JKD Group / Combat Arnis de Mano – Sifu Ferreros has been teaching martial arts since 1983. Sifu/Guro Ferreros was a 5th Level Associate Instructor (Sifu) in Jeet Kune Do / Jun Fan Gung Fu and a 5th Level Guro in the Inosanto/Lacoste style of Filipino Martial Arts certified by the Inosanto International Martial Arts Instructors Association headed by the Legendary Dan Inosanto in Los Angeles, California. He also holds a Black Belt (or higher) ranking in other Filipino styles such as Sayoc Family Kali, Doce Pares Eskrima, and Arnis Jiu-Jitsu. He has also trained extensively in the Philippines in other FMA systems such as Lapunti Arnis de Abaniko, Nickelstick Balintiwak Eskrima, and Kali Ilustrisimo. His background also includes study in various traditional martial arts of Korean, Japanese, and Chinese Lineage including Tae Kwon Do, Moo Duk Kwon, Shito Ryu Karate, Judo, Aikido, Northern Shaolin, Hsing-I, Wing Chun, and various styles of Tai Chi. He was a boxing coach and fenced with the Treasure Coast Fencing Club. Assisting him will be his students, Guro John Sliger, Guro Hank Hawkins, and Guro Bo Jackson who have a combined 20+ years of experience under Sifu/Guro Ferreros.

Bo Jackson JKD-Escrima/Kali-Silat, Combat Submission Wrestling Coach (CSW), STX Kickboxing Coach- Sifu Bo has been a student of the martial arts for over 20 years.  His experience includes many styles such as Southern Eagle Kung Fu, Tae Kwon Do, Wrestling (Free Style and Greco-Roman), Shorin Ryu Karate, Kenpo Karate, Judo, Muay Thai, and Western Boxing.  He has spent the last 6 years under the tutelage of Sifu/Guru Victor Ferreros, a long time student (30+ years) and certified instructor under Sifu/Guru Dan Inosanto who is the highest ranking JKD instructor certified by the late Sigung Bruce Lee and the founder of the Inosanto/Lacoste style of Filipino Martial Arts (FMA).  Bo has been granted instructor ranking in Jun Fan Jeet Kune Do as well as “Guru Lakan” ranking in Filipino Martial Arts und Sifu/Guru Victor Ferreros’ Tallahassee Kali JKD Group/Combat Arnis de Mano.  Bo also holds Apprentice Instructor ranking in Jun Fan Gung Fu through Sifu Larry Hartsell.  Sifu/Guru Bo continues his training under the watchful eye of Sifu/Guru Victor Ferreros.    


Alan Swirsky – Kenpo Karate Instructor- 5th Degree Black Belt in Kenpo Karate. Alan is a Professor at Tallahassee Community College.

Sensei Alan is pursuing his PhD out of state


Donald Trussell – Judo  
Coach Donald Trussell passed away on March 14, 2016 after more than 50 years of bringing Judo and the Martial Arts to Tallahassee.