309 Fitness

Owner /Coach Dorian

Dorian Mosack is our head coach and owner.   He served in the Army for five years, including tours in Iraq and Afghanistan, while a member of the 82nd Airborne Division.  He then received his Bachelor's degree in education from Bradley University. After teaching and coaching middle school students for three years, Dorian jumped head first into owning and running 309Fitness

An all-around athlete, coach Dorian also competed in Mixed Martial Arts competitions for seven years and currently holds a 185lb title.

NASM  CPT

Catalyst Athletics Olympic Lifting Coach

Alpha Warrior Pro Coach

CrossFit Level 2 Trainer

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