Meet
Your
Trainer.
No Cost Consultation

Get Strong!

Hello, my name is Bret Kliethermes and I have been working as a Fitness Professional in the Saint Louis Area since 2005 helping dozens of individuals improve their physical Health, Performance and Appearance through the power of exercise and nutrition.

I live in O’Fallon Missouri with my wife Becky and our four children Madeline, Olivia, Jacob and Scarlet. Together with the help of our network of health science professionals I am committed to improving the health and fitness of the greater Saint Louis area one individual at a time.

Bret Kliethermes
Owner and Certified Personal Trainer

As Seen On...

Achieve Your Fitness Goals!

Whether your goals are to improve your health, performance, appearance, or a combination of all three, we are here to help!

The Oxford Languages definition of Strong is:

  • Having the power to perform physically demanding tasks

  • Being able to withstand great force or pressure

This is the main idea and messaging with our name, Strong Human Fitness. We all need to be able to perform physically demanding tasks and withstand force or pressure in some way in our lives. Whether your focus is performing normal daily tasks to pursuing athletic endeavors or withstanding pressures from work, family demands, sickness or disease. Developing a strong body with regular exercise and good nutrition is of vital importance. I look forward to bringing my knowledge and experience in partnering with you to become the strongest person you can be!

Qualifications & Experiences

Certified
Trainer

Certified Personal Trainer with the American Council on Exercise (ACE)

Former
athlete

Former Athlete Member of the United States Amateur Boxing, Inc (USA Boxing)

Professional member

Member of the IDEA Health & Fitness Association

Bachelor of Science

BS in Health & Wellness Promotion from Missouri State University

Strength
Specialist

Former Certified Strength & Conditioning Specialist with the National Strength & Conditioning Association.

Photo of Bret Kliethermes as a Former Athlete Member of the United States Amateur Boxing, Inc (USA Boxing)

Photo of Bret Kliethermes as a Former Athlete Member of the
United States Amateur Boxing, Inc (USA Boxing)

everyday victories

No Cost Consultation!

Please fill out your information below to book your FREE 15 min no-obligation consultation!

"*" indicates required fields

Interested in:*