Fitness Principles was opened by Keith McGrath in 1992 as one of the first stand-alone personal training facilities in Boston.  The business was established on the premise of offering the highest quality of fitness training in an exclusive environment.  

25 years later, our staying power can be attributed to a clear vision and strategy of keeping to our guiding principle; that anyone can achieve success with a personalized fitness program in a supportive environment.  Keith McGrath's dedication to excellence and achievement are paramount to him.  

Clients throughout the years have included professional athletes, elite amatuers, as well as novice athletes.  Keith was the Personal Strength & Conditioning Coach to the First Latino 2X WBA World Heavy Weight Champion John 'The Quietman' Ruiz and the Bronze Medal Winner for Women's Olympic Weight Lifting in the Pan American Games. 

Keith has played professionally as well as coached in the US, Asia, Europe and the Caribbean.  Exposing him to a multitude of diverse winning philosophies and coaching modalities, making him uniquely qualified to create and implement a successful program for your individual fitness goals.


About Keith Mcgrath