Team
Meet Our Trainers
Your health and wellness journey partners
IOANNIS KATRANTZIS
Owner and Founder
Credentials:
- Certified Personal Trainer through ACE
- Bachelor of Science in Kinesiology
- Master of Science in Exercise Science, Sports Psychology
- Masters in Business Administration
- Certified Functional Strength Coach L1
- Certified Functional Movement Screen Specialist L1 & L2
- Certified Functional Aging Specialist
- United States of America Weightlifting L1
- Precision Nutrition Level 1
What does the I-Koach Fitness Culture mean to you?
It means making a difference in the lives of others and helping people live their healthiest and best life!
Colton Klenke
Fitness Director
Credentials:
- Certified Personal Trainer through NASM
- Bachelor of Science in Kinesiology
- Experience in the Fitness Industry for 5+ Years
- Certified Functional Strength Coach L1
- Certified Functional Movement Screen Specialist L1
- I am all about bringing the energy and having a great time!
What does the I-Koach Fitness Culture mean to you?
It I-Koach culture means to me, showing up for each other, pushing past limits, and celebrating every win – big or small. It’s about building a community where everyone feels supported and challenged to grow. We lead with energy, lead by example, and lift each other up.
Hannah Sontag
Facility Leader – Edwardsville
Credentials:
- Certified Personal Trainer through ACSM
- Bachelor of Science in Nutrition
- Experience in the Fitness Industry for 3+ Years
- Certified Functional Strength Coach L1
- Certified Functional Movement Screen Specialist L1
- Certified Nutrition Specialist through ISSA
- I love strength training, and I am always down for a good coffee spot!
What does the I-Koach Fitness Culture mean to you?
To me, the culture at I-Koach Fitness is empowering. It’s incredible to see so many people in different seasons of life, all come together with the same goal of prioritizing their health and fitness!
Brooke MIller
Facility Leader - Swansea
Credentials:
- Certified Personal Trainer through ACSM
- Bachelor of Science in Kinesiology
- Experience in the Fitness Industry for 5+ Years
- Certified Functional Strength Coach L1
- Certified Functional Movement Screen Specialist L1
- Certified Nutrition Specialist through ISSA
- I love strength training, and I am always down for a good coffee spot!
What does the I-Koach Fitness Culture mean to you?
To me, the culture at I-Koach Fitness is empowering. It’s incredible to see so many people in different seasons of life, all come together with the same goal of prioritizing.
Kendall Matthews
Certified Personal Trainer
Credentials:
- Certified Personal Trainer.
- Certified Group Fitness Instructor.
- Experience in the fitness industry for 5+ years.
- I enjoy lifting, getting outside as much as possible and spending time with my family.
What does the I-Koach Fitness Culture mean to you?
I-Koach Fitness is a lifestyle! It means creating a sense of community where I can watch our members train with confidence and believe in themselves!
Lilly Cavwey
Personal Trainer & Marketing Director
Credentials:
- Certified Personal Trainer through NASM
- Experience in the Fitness Industry for 3+ Years
- Certified Functional Strength Coach L1
- Certified Functional Movement Screen Specialist L1
- I am spunky and full of energy!
What does the I-Koach Fitness Culture mean to you?
Our culture means helping you to be the best version of yourself and being apart of a supportive community the helps to motivate each other!
Lyla Zapata
Personal Trainer
Credentials:
- Certified Personal Trainer through ACSM
- Bachelor of Science in Exercise Science
- Experience in the Fitness Industry for 4+ Years
- Certified Functional Strength Coach L1
- Certified Functional Movement Screen Specialist L1
- I enjoy working out, spending time with friends and family, or continuing my studies to become a nurse!
What does the I-Koach Fitness Culture mean to you?
I-Koach Fitness culture is about belonging to a community that truly cares! It’s a place where encouragement outweighs judgment, where progress is measured by both small wins and big breakthroughs, and where everyone feels valued. At I-Koach, you’re not just training, you’re growing alongside people who want to see you succeed!
Kelsey Cowan
Personal Trainer
Credentials:
- Certified Personal Trainer through ACE
- Bachelor of Science in Exercise Science
- Master of Science in Exercise Science, Exercise Physiology
- Experience in the Fitness Industry for 3+ Years
- Certified Functional Strength Coach L1
- Certified Functional Movement Screen Specialist L1
- My favorite things include my cat, Charlie, trying new things, and being around friends and family!
What does the I-Koach Fitness Culture mean to you?
To me, I-Koach Fitness culture means being part of a truly welcoming environment where everyone – whether you’re a beginner or advanced – feels equally supported. It’s a place where growth feels personal, progress feels celebrated, and everyone belongs!
Cade Miller
Personal Trainer
Credentials:
- Certified Personal Trainer through NASM
- Bachelor of Science in Exercise Science
- Master of Science in Exercise Science, Sports Psychology
- Experience in the Sports Performance Industry for 3+ Years
- Certified Functional Strength Coach L1
- Certified Functional Movement Screen Specialist L1
- I enjoy exercise as a daily habitual practice for myself whether it’s running or lifting.
What does the I-Koach Fitness Culture mean to you?
I-Koach Fitness is a community. A community that has each other’s back, full of love and camaraderie. It’s never a dull moment when coaching people that are always laughing and smiling!