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DDCtraining Istructors

Dynamic Defense Concepts, LLC

 Co-Founders and Instructors


Trevor Scheuneman

Co-Founder, Instructor:  Firearms

USPSA Master - Production

IDPA Competitive Shooter -
    Master Class

NRA Certified Instructor

NRA Certified Range Safety Officer
MD State Police Qualified Handgun

M16/AR15 Certified Armorer -
Certified Instructor - Israeli Method
    Active Shooter Response
Red Cross Certified in Adult and
    Pediatric First Aid/CPR/AED

Trevor Scheuneman is an NRA certified Firearms Instructor, and Range Safety Officer.

Trevor has been involved with shooting sports for almost 20 years and is an active competitive shooter with the International Defensive Pistol Association (IDPA), and the United States Practical Shooting Association (USPSA).

Trevor has received tactical weapons training from some of the most highly regarded names in the industry, and he has a wide base of knowledge ranging from instructor level Israeli tactics to American style close range gunfighting expertise.

Along with an expert knowledge of pistol shooting techniques and tactics, Trevor is an advanced tactical carbine, and shotgun shooter.     

He is a certified AR15/M16 Armorer (Academi), and also enjoys refurbishing WWII era battle rifles.


Trevor has been an instructor for the Israeli Tactical School in Rockville, MD and has been practicing Krav Maga with Krav Maga Worldwide for 4 years in addition to several years of training in Shitō-ryū Karate.  He has also had training in the Russian martial art Systema.

Trevor is also a licensed private pilot.

Matt Ketteringham

Co-Founder, Instructor:  Self Defense, Pistol, Rifle


 Certified Krav Maga Expert Level 2
  2nd Degree Black Belt in Tae Kwon


  NRA Certified Range Safety Officer

●  MD State Police Qualified Handgun

  NRA Certified Pistol and Rifle

Matt Ketteringham is an NRA certified Firearms Instructor, and Range Safety Officer.

Matt has almost 7 years experience teaching Krav Maga and is currently a certified Expert Level 2 Instructor and Brown Belt with Krav Maga Maryland. He primarily teaches at the Krav Maga Maryland Columbia location, but also instructs at the Owings Mills location on occasion. He teaches a wide variety of classes in both self defense and fitness.

Matt has more than 18 years of traditional martial arts experience and achieved a 2nd degree Black Belt in Tae Kwon Do, an Orange Belt in Tomiki Aikido and has trained in Brazilian Jujitsu and Filipino Arnis (stick fighting). Additionally, Matt has extensive self-defense teaching experience serving as a Tae Kwon Do Instructor for 14 years to people of all ages and backgrounds.

Matt has completed Basic Military Training in the United States Air Force and was a member of the Maryland Air National Guard for 6 years in the field of Morale Welfare Recreation and Services. He has received several medals including the Air Reserve Forces Meritorious Service and Expert Marksman in Small Arms.

Bennett Boyer

Bennett's photo is on the way.



USPSA Master - Production
NRA Certified Pistol Instructor
 State Police Qualified Handgun
●  IDPA Competitive Shooter - Classified
●  IDPA Certified Range Officer

DDC Instructor Bennett Boyer is a rising star in the Maryland action pistol competition scene. He regularly wins local IDPA (International Defensive Pistol Association) matches, and has won trophies in every IDPA Major Match in which he has competed. In addition, Bennett is a very active USPSA (United States Practical Shooting Association) competitor, and is steadily climbing in the rankings.




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