J.Rob Porterfield, Master Trainer and Owner of BuildTheBest.Me (Formerly Son of Thunder Fitness), has followed the fitness industry for almost 40 years, practicing fitness and strength training personally and encouraging friends and family to do the same.  

In 2005 J.Rob completed the Cooper Institute's Certified Personal Trainer and Fitness Nutrition certification programs. In 2015 Jim was re-certified by NESTA as a Personal Fitness Trainer and as a Fitness Nutrition Coach. He also completed the ACE Functional Training Specialist Program and the NESTA Biomechanics Specialist Certification.

J.Rob’s passion is helping individuals learn fitness and nutrition skills that will benefit them throughout their life.  His focus is on functional strength training for all ages and fitness levels in order to help individuals enjoy life more fully. For more information on how we achieve these goals, checkout our article on Training Strategy.

Services available include detailed fitness analysis sessions, personal, small group, and class training sessions, personal, small group, and class nutrition coaching.  Contact Jim via phone or email (below) for more information or to schedule an appointment.

“I want to teach you so well you don’t need me but train you so well you want me!”  -- Jim Porterfield

NESTA Personal Fitness Trainer,  # N79035318 (2014-2026)
NESTA Biomechanics Specialist Certification, #Q467207911 (2022-No Expiration)
NESTA Fitness Nutrition Coach # 1765699450 (2015-No Expiration)
ACE Functional Training Specialist Program - Course # CEP101273 (2019-No Expiration)
Cooper Institute Physical Fitness Specialist Certification (2005-2008)
Cooper Institute Providing Dietary Guidance Certification (2005-2008)

BuildTheBest.Me - Live Strong! Enjoy Life!

Testimonials Here!



 “In all of nature there is no such thing as staying the same.
You are either striving to make yourself better, or allowing yourself to become worse.”

Holiday Health Club, Anaheim, CA - Staff T-shirts 1982


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