David Altenburg

Dave is the sole owner of Defender Tactical, LLC.  He served 15 years on active duty in the Marine Corps before entering on duty with the FBI as a Special Agent.

Recently retired from the FBI, he served 20 years in a variety of assignments within the Violent Crime Program, Personal Security Detail, Intelligence Collection and International Counterterrorism.

His certifications include:

  • FBI SWAT Operator
  • FBI SWAT Sniper
  • FBI Firearms Instructor
  • FBI Tactical Instructor
  • Virginia Department of Criminal Justice Service (DCJS) Firearms Instructor
  • VA DCJS General Instructor Course
  • NRA Pistol Instructor
  • H&K Concealed Carry Instructor
  • H&K Shoot House Instructor
  • Glock Armorer Course
  • Springfield XD/XDm Armorer

In addition to the formal certifications cited above he has attended and continues to attend firearms courses provided by nationally known professional instructors.



Adjunct Instructors

Defender Tactical utilizes an experienced group of adjunct instructors from diverse backgrounds which include the military, law enforcement, protective security and competitive shooting.