“PJ has raised the bar in the trainer/educator arena. He is a consummate professional. He is always prepared for presentations and trainings, but more importantly, he’s very approachable, a quality that makes everyone around him feel comfortable and willing to engage.”

Daryl Shute, Power Systems




PJ Stahl, MA, CSCS, is a fitness entrepreneur at heart and is always looking for new innovative ways to progress the fitness industry. He utilizes over 20 years of experience, an extensive education in kinesiology, and numerous national certifications to provide elite level ventures and services ranging from;

Lock Box Studio

Co-Owner and Elite Personal Trainer


Creator, Co-Owner and Head Coach

RFE Fitness

Master Trainer, Educator and Ambassador

Power Systems

Master Coach, Educator and Ambassador


Reebok ONE Trainer and Ambassador

His knowledge and understanding of exercise physiology and creating results-oriented programs has made his services in demand from professional athletes (MLS, AVP, NFL, NHL, & MLB) such as David Beckham, to models, actors, performers, and musicians such as Britney Spears. PJ has appeared as a Fitness Expert numerous times on The Doctors TV show and has been a Fitness Consultant for Universal Pictures, Reebok, Power Systems, Men's Fitness, LIVESTRONG, Athletes’ Performance and Core Performance, just to name a few.

Originally from Mt. Pleasant, Michigan, PJ holds a Bachelor’s degree in Kinesiology from Michigan State University and a Master’s degree in Business and Athletic Administration from Ball State University. While at Michigan State, PJ competed as a varsity athlete in gymnastics and diving and was an Undergraduate Assistant Strength and Conditioning Coach for over 11 different collegiate sports teams.

With PJ’s background in competing and coaching gymnastics, along with coaching professional athletes, he was naturally led to become a fitness performance coach. In 2006, PJ founded his own fitness company, PJ Stahl Fitness, to provide an elite level service with superior results. With this experience he has now opened Lock Box Fitness & Performance Center in Los Angeles, CA. As a Co-Owner and Head Coach at Lock Box he has established a successful coaching system and has set the bar for the fitness industry.

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Ball State University, Muncie, IN

Master of Arts in Physical Education

Administration in Physical Education and Athletic Higher Education

Michigan State University, East Lansing, MI

Bachelor of Science (College of Education Department of Kinesiology)

Business and Athletic Administration and Fitness Leadership

Specialization: Coaching



Certified Strength and Conditioning Specialist (CSCS) Certification – National Strength and Conditioning Association, 2006 - Present

First Aid, CPR, and AED Certifications – American Heart Association, Present

SCW Continued Education Provider - SCW Mania 2017 - Present

IDEA PTI Continued Education Provider - IDEA PTI 2018

AXLE WORKOUT Trainer Certification Course - AXLE, 2018

IDEA Health and Fitness Association – IDEA World Fitness Convention, 2010 - 2018

International Health, Racquet and Sportsclub Association - IHRSA International Convention, 2010 - 2018

CrossFit Level 1 Trainer – CrossFit, 2011, 2017

Tabata Body Master Traine – Tabata, 2014

CrossFit Mobility Course – CrossFit, 2014

CrossFit Rowing Course – CrossFit, 2013

CrossFit Judges Course – CrossFit, 2013

CrossFit Powerlifting – CrossFit, 2012

Vipr Trainer Certification – FitPro, 2012

CrossFit Olympic Lifting Trainer Course – CrossFit, 2011

CrossFit Gymnastics Trainer Course – CrossFit, 2011

CrossFit Coach’s Prep Course – CrossFit, 2011

TRX Suspension Training Course – Fitness Anywhere, 2009

Russian Kettlebell Workshop – Kettlebells LA, 2009

Functional Training Summit – Perform Better, 2008

Power Plate Basic Academy – Power Plate North America, 2007

Certified Continued Education Provider – National Strength and Conditioning Association, 2007

Winter Sports Seminar for Fitness Professionals – Accelerated Rehabilitation Centers, 2006

Midwest Strength, Conditioning, and Rehabilitation Symposium – Fitness Education Seminars, 2006

Personal Training Certification – Aerobics and Fitness Association of America (AFAA), 2005

Schwinn Cycling Training Course – Nautilus Institute,  2005

Functional Movement Screen Seminar, 2005

Program for Athletic Coaches Education (PACE) Certification, 2004

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