About Us


Bob Knight, President

  • 40 years of state police and marine law enforcement experience, Retired Captain
  • Graduate of FBI National Academy, 142 Session
  • Masters Degree, St Thomas University
  • Bachelors Degree, Barry University
  • Faculty, Union Institute & University: Criminal Justice Management
  • Active Reserve Police Officer
  • Served as a subject matter expert for the Florida Department of Law Enforcement, Criminal Justice Standards and Training Commission
  • FWC licensed Airboat Operator Provider
  • Certified Police Instructor: Master Airboat Instructor, firearms, defensive tactics and impact weapons, tactical boat operations, and less lethal.
  • Marine Police SWAT Commander and Trainer
  • Coordinated Executive Protection details for the Pope and several United States Presidents
  • Published several newspaper articles relating to counter-terrorism tactics
  • Frequently appears on network television and has been quoted numerous times in the nation’s top newspapers
  • Golden Beach police officer of the year 2018
  • 2nd Degree Black Belt (Nidan) American Jiu Jitsu Association
  • Dive Master, PADI

TAC Instructors: All TAC instructors are state certified and are court recognized as subject matter experts in their fields of expertise. Our staff includes members of SWAT Teams, SWAT Para-Medic, police divers, commanders and a staff attorney.

The following are full time TAC senior instructors and some of their credentials:



Captain Art Serig, International Director

Served 31.5 years on Miami Police Department. Former Commander Miami PD Marine Patrol & Under Water Recovery Unit. Spent 35 years involved in marine law enforcement service. Active for 46 years as a State of Florida law enforcement trainer. Miami PD SWAT Team Member and sniper, Master Diver, USCG 100 Ton Master Captain, Tactical Boat Operations Instructor, Firearms Instructor and State of Florida Certified Airboat Operations Instructor. Member of United States Customs Service, Blue Lightening Strike Force for over 20 years, working Marine Narcotics Interdiction and Port Security Operations.



Captain David Johnson, National Director and Chief of Staff

Captain David Johnson (retired) served 41-years with Collier County Sheriff’s Office in Naples, Florida. David has over 30-years of extensive Marine Law Enforcement experience. He retired as supervisor of Marine, Mounted, and Agriculture Patrols. He also served in the capacities of Certified Staff Inspector and Certified Accreditation Specialist. He is a Tactical Marine Operations Instructor, Certified Airboat Operations Instructor, Tactical Boat Operations Instructor, Boating Safety Instructor, and recognized Maritime Border Security subject matter expert. Along with serving as Chief of Staff and National Director, he is also TAC’s Training Coordinator and Course Developer. In addition, David is President of Blueline Partners, LLC located in Naples, Florida. He has a Bachelor’s degree in Criminal Justice Management from Union Institute & University, North Miami, Florida.



Major Simon Dixon, Regional Director

State of Florida Certified Airboat Operations Instructor

Served 25 years state police, marine law enforcement experience, Master instructor at state police marine law enforcement academy, Firearms Instructor, Less Lethal Instructor, Tactical Boat Operations Instructor.

Bachelors Degree, Union Institute & University, Criminal Justice Management



Lieutenant Charles McDermott

Miami Fire Dept., SWAT Paramedic, Developer of Advanced Medical Emergency Procedures for Marine Law Enforcement Officers and Inventor of several paramedic procedures for emergency care. State of Florida Certified Airboat Operations Instructor.



Sergeant Robert Ostrov, Senior Instructor

USCG 25 Ton Master Captain and Rescue Diver.

Currently Supervisor of Sunny Isles Beach Police Marine Patrol. TAC Cetified Marine Patrol Instructor. FDLE Firearms and General Instructor. Certified Glock and Colt Firearms Armorer. Twenty years retired USAF Desert Storm veteran. State of Florida Certified Airboat Operations Instructor.


Sergeant Alexis De Los Santos, Instructor

Miccosukee Law Enforcement, Fish and Wildlife Unit. Detective and Federal Task force officer. Lead Firearms Instructor, Range Master. Police Underwater Rescue Diver, Dive Master PADI.

Instructor: Certified / Licensed Police Instructor: FWC / TAC Airboat, TAC Marine, Tactical Boat Operations, Bleeding Control, Crisis Reponse SWAT Team Leader.

Masters Degree: Public Administration, Florida International University

Bachelors Degree: Public Safety / Law Enforcement, Miami Dade College

  • 2019 Officer of the Year
  • 2020 IACP Officer of the Year
  • 2022 Detective of the year


Sergeant Robert Heisser, Instructor

Law Enforcement Officer for over 28 years/ Sergeant with the West Palm Beach Police Department, Current Assignments:

  • Supervision/Trainer of Marine Underwater Search and Recovery
  • UAS (Drone) and the Wetland Unit
  • Public Safety Diver, ERDI Dive Instructor (Former PADI Instructor)
  • TAC Marine and Airboat Tactical Operations Instructor
  • Marine and Airboat Maintenance Instructor
  • Highly recognized and respected in his field.

Sergio Najera, Wildlife Sergeant

Serving Miccosukee Police Department for 18 years. Sergeant of the Wildlife Division in charge of daily operations. State of Florida Certified Airboat Operations Instructor and former SWAT operator.




TAC also has several adjunct instructors with specialties including: seamanship and navigation instructor, international terrorism advisor/instructor, IED instructor and others with specialized skills and expertise as it relates to the marine environment.