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Derek Fertig

Derek is an accomplished personal trainer who started training in 2008. Derek found his passion for fitness at an early age through martial arts. Eventually the love of empowerment through physical and spiritual discipline led him to mixed martial arts and strength training. Now he uses his knowledge and passion to educate and inspire his clients in their own fitness journey to looking and feeling their best.

Personal Training Philosophy

Derek joined the YMCA staff in 2019 as a personal trainer and has the expertise, experience, and the passion to help empower you to reach your various personal fitness goals

He takes an overall approach using classic progressive overload and time under tension methodology, balanced with proper nutrition and recovery.


Fitness Coach, ISSA Nutritionist, Tactical Conditioning Trainer


ISSA certified Personal Trainer

Favorite Exercises

Decline Skull Crushers, Dynamic Correspondence Lifts