Deryck Poole is a veteran of the United States Marine Corps and the founder and director of training for Echo-5 Training Group. He is also a senior Combat Focus Shooting instructor and works for I.C.E. Training as a staff instructor and outside instructor liaison. He also holds certifications from I.C.E. Training and Glock Inc, plus multiple NRA instructor certifications.

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Deryck has 17 years of experience as an instructor. He conducted training for both combat and non-combat personnel while serving as a rifleman and range safety NCO in the Marines. He continues to work with both armed professionals and lawfully armed citizens as a firearms and defensive shooting instructor. He believes all instructors should consider themselves a student first, so he regularly attends training from some of the world’s top instructors. He is a member of the Association of Defensive Shooting Instructors.