
Garrison Niemiec
MS in Exercise Physiology · BS in Exercise Physiology · NSCA-CSCS · NSCA-CPT · USAW SPC-1
Garrison, from Arvada, CO, opened Kaizen in 2019 after completing graduate studies in exercise physiology, studying how the body responds and adapts to physical training at the cellular level. Currently, he trains in Brazilian Jiu-Jitsu, Muay Thai, and strength training.
His coaching record includes D1 volleyball and football athletes, NBA players, USA Olympic softball athletes, and semi-professional hockey players. He has presented at three national NSCA clinics and currently serves as the Oklahoma State Director for Fitness and Weightlifting Events at the Oklahoma Senior Games.
During COVID, Garrison developed the at-home training framework adopted by the Oklahoma National Guard, a project that required building effective, measurable programming without facility access.

Romero holds 10 years of experience in coaching, specializing in strength training, olympic lifting, and aerobic capacity training. He trains in olympic lifting, swimming and strength training while competing at high levels in cross fit. Romero is committed to leaving it all out on the floor whether it’s meeting his own goals or helping you meet yours. He has a soft spot for functional training to help his clients create a pain free life of longevity. Come see Romero at Kaizen Performance where EVERYDAY we continuously get better!
Romero Gatewood

Hensley holds a bachelor’s degree in Exercise Science and is NASM-certified. She crafts personalized fitness plans to help you reach your goals. Whether you aim to build strength, lose weight, improve flexibility, or enhance overall fitness, Hensley is committed to guiding you to success. Together, she'll help make your health and fitness goals a reality!
Hensley Miller

Will, from Ada, OK, holds a Bachelor’s in Health and Exercise Science from the University of Oklahoma. He is passionate about guiding people through their fitness journeys, always pushing them to stay motivated and keep improving.
Will Sheppard

Buffy has two years of experience and has been with the team the longest, second only to our owner. Her favorite gym exercises are battle ropes and sleds. Buffy is passionate about accountability and regular check-ins to ensure you meet your goals. As our toughest coach, she provides tough love when needed and is your biggest cheerleader when you're excelling in the gym.
Buffy

Gojo is our most involved Kaizen Coach. Certified as an emotional support dog, he takes his role seriously. Gojo specializes in spotting and providing rest break hype-ups. He is passionate about maintaining an active lifestyle and enjoys behind-the-ear scratches.
Gojo

Maple is our newest coach. She is currently in the middle of her own weight loss journey so you will have a battle buddy through it all. Maple will mow down every obstacle in your way of success, even if that obstacle is your own self doubt. Maple is most passionate about our members and treats all of them as family.
Maple
The coaching staff at Kaizen is credentialed, experienced, and present.
Every coach on the Kaizen floor holds legitimate certifications in their field. You won't find general fitness instructors here. You'll find coaches who know why your program is built the way it is and can adjust it when you need them to.


