Meet Your Instructor
Liam O'Donnell
United States Marine Corps Veteran · IL CCL Certified Instructor
Background & Service
Liam O'Donnell is a United States Marine Corps veteran with 4 years of dedicated service in 3rd Battalion, 5th Marines. During his time in service, he held key roles as a Rifleman Team Leader and a Combat Marksmanship Coach. ( CMC )
In those roles, Liam helped train over 50,000 Marine Corps recruits, Marines, and educators in marksmanship and combat readiness. He has personally instructed more than 1,000 recruits, Marines, and educators in safe, effective firearms handling — establishing him as one of the most experienced firearms instructors in Illinois.
Today, Liam is a state-approved Illinois Concealed Carry License (IL CCL) Certified Instructor. He brings the same discipline, precision, and professionalism that defined his military career to every training session.
Training Philosophy
Safety First
Every training session begins and ends with safety protocols. Whether you're a complete beginner or an experienced shooter, firearm safety is non-negotiable.
Competency Always
Proficiency isn't a destination — it's a practice. Liam builds competency through structured drills, repetition, and expert feedback grounded in Marine Corps standards.
Confidence Through Instruction
Real confidence doesn't come from bravado. It comes from knowing you've been trained correctly. Liam's structured approach ensures every student leaves with earned confidence.
For All Skill Levels
From complete beginners handling a firearm for the first time to elite-level shooters refining technique — Liam's curriculum adapts to where you are.