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Brink Fidler,
Founder and President

Having spent nearly two decades in law enforcement, Brink Fidler respectably served with the Metropolitan Nashville Police Department as well as the 20th Judicial District Drug Task Force in Nashville. In addition to his regular law enforcement duties, he also served as an adjunct firearms and tactics instructor. He has planned and conducted hundreds of high risk, tactical, and covert operations. He has served as an officer, narcotics investigator, patrol sergeant, narcotics sergeant, and retired as the Director of the Drug Task Force in Nashville. During his extensive career, Fidler directed and supervised the most complex investigations. These multifaceted investigations involved hundreds of court ordered wiretaps, thousands of hours of physical and electronic surveillance, and hundreds of search warrants throughout the United States.

These years of experience provided Fidler with a heightened understanding of every conceivable way to penetrate any residence or facility, and in the fastest, most proficient way possible. This knowledge, his commitment to security, and his dedication to protection of property and keeping people safe is why he created Defend Systems.


Michael Fletcher, Instructor

Michael Fletcher is the Director of Safety and Security for a high performing school district in Tennessee. He works with schools and the district’s central office to improve safety for students, employees and visitors using the all hazards approach by helping to develop, establish and enforce safety and security policies, accident prevention efforts, fire safety, emergency management, asset protection, parking control and traffic enforcement programs. This position also serves as the liaison between the school district and the local Sheriff’s Office School Resource Officer program.
Fletcher also serves as the lieutenant for the reserve deputy program with the Williamson County Sheriff’s Office. He is the senior tactical medical officer for the department's S.W.A.T. team and senior planner for high risk operations, a position he has held since 2005. Mr. Fletcher has attended numerous courses with a focus of SWAT Tactics and High Risk Operations planning throughout the United States. He has had extensive training in CBRNE and WMD planning and preparedness as well.
Prior to working for the Williamson County School District, Fletcher spent 15 years at Williamson Medical Center where he served as a shift supervisor for the emergency medical services department. In that capacity he was directly responsible for EMS operations and planning and was also credentialed to instruct numerous emergency medical curriculums at both the state and national level.  He has been a licensed paramedic in the state of Tennessee since 1999.
Michael holds a bachelor’s degree in management and human relations from Trevecca Nazarene University. He is also an instructor trainer for the National Rifle Association’s National School Shield Program which provides law enforcement and school officials with the skills to perform vulnerability assessments, making schools safer across the United States.
Fletcher proudly served in the United States Army’s 82nd Airborne Division until he was medically retired in 1996 after being injured in the line of duty. He lives in Franklin, TN with his wife and two children.


Paul Pollack, Instructor

Paul Pollack is a former Fleet Marine Force Corpsman of the United States Navy.  During his five years of active duty, he was deployed to Iraq and Afghanistan and taught Combat Life Savers (CLS) and Tactical Combat Casualty Care (TCCC) to over 300 marines while maintaining his primary duties in his platoon.

Pollack went on to become a Tennessee firearms instructor, working for Nashville Armory for four years, teaching and providing personal instruction.  He currently serves as an Emergency Medical Services (EMS) paramedic, Field Training Officer (FTO) and a Reserve deputy for the Williamson County Sheriff’s Department.  In that capacity, he annually assists as an instructor for the WCSO Tactical Operations Course and is a member of the special operations division as a Medic for Swift Water Rescue as well as SWAT.

Over the past two years, Pollack has played a critical role in training the entirety of WCSO deputies on pre-hospital care in relation to Tactical Combat Casualty Care.  He enjoys teaching, helping others and collaborating with people who share the same mindset of working for a safer future.

Justin Coker, Instructor

Justin Coker has served as a police officer for over 12 years at one of the top 25 largest departments in the country.  The first half of his career thus far was spent working in small proactive units directed towards apprehension and prosecution of violent felons.  Working in these units gave him valuable experience and insight in the areas of covert surveillance as well as planning and conducting high risk tactical operations.  

For over the last 6 years, Coker has been assigned to his department’s training academy where he serves as a law enforcement instructor with over 50 training certifications and 19 instructor credentials.  His teaching responsibilities include firearms, defensive tactics, medical training, and small unit tactics with a primary focus on being the program manager for his agencies active shooter response training.  This includes the creation of training standards for law enforcement response to active shooter events, civilian response, as well as serving as the program manager of Rescue Task Force response during mass casualty incidents.  Additionally, he is responsible for planning and coordinating Rescue Task Force operations for major city events that include over 300,000 guests. 

Coker has an intense focus on training and studying how to prevent, survive, and manage mass casualty events. He enjoys teaching others and is eager to share his knowledge and experience in making all organizations safer.