Mr. Walker is the Lead Instructor and Founder of MDTTactics Training Group, LLC. With 13 years of Law Enforcement experience as a Commission Police Officer in the District of Columbia and with 4 years of senior level of security management, he worked with various agencies within the DC metro region. Mr. Walker is a local Washingtonian that graduated from Eastern Sr. High School and attended Ashworth University, Norcross GA. to achieve his degree in Criminal Justice and Police Science. Presently, Mr. Walker holds many professional instructor certifications, which includes:

• Maryland State Police Firearm Instructor,
• Metropolitan Police Department Firearm Instructor
• NRA Law Enforcement Firearms Instructor
• NRA Basic Pistol/Rifle/Shotgun Instructor
• NRA Personal Protection In The Home Instructor
• NRA RSO (Range Safety Officer)
  
• NRA CRSO (Chief Range Safety Officer)
  
• NRA Basic CCW Instructor
• NRA Pistol Coach
• NRA Refuse To Be A Victim Instructor
• Combat Focus & Counter Ambush Instructor
• Defensive Pistol Instructor
• Affiliated USCCA Instructor
• Self-Defense & Tactics Instructor
• ASP Tactical Baton/Handcuffing Instructor
• Zarc Law Enforcement (OC) Instructor & Trainer
• American Red Cross Instructor & Trainer
• HSI Instructor & Trainer
• Use of Force Instructor
• NLT SIRT Pistol Instructor
• AVERT (Active Shooter) Instructor