Naperville, IL 60540
Brighton Commons Center
NE Corner of 75th & Rickert
Our Staff
In addition to outside education, certification, and work experience, all Precision Fitness personal training staff undergo an in-house educational program, internship, and certification in our specific training methods and equipment prior to beginning work with clients at our facility.
Tim Ryan
Tim is founder and owner/operator of Precision Fitness. He has personally been involved with exercise for 35 years and currently has over 28 years of professional work experience in the health and fitness field. Prior to starting Precision Fitness, Tim worked in a variety of settings and capacities ranging from fitness instructor/personal trainer in a Nautilus fitness center, to Fitness Director of a large, multipurpose medically based health and wellness center.
Tim earned a Bachelor of Science degree in exercise from Northern Illinois University. He has earned a number of nationally recognized fitness and personal training certifications over the years including: Health/Fitness Instructor with the American College of Sports Medicine (ACSM); Personal Trainer with the American Council on Exercise (ACE); MedX® Exercise Technician with the University of Florida, Center for Exercise Science; and Master SuperSlow Instructor with the SuperSlow Exercise Guild (SSEG).
In addition to his work at Precision Fitness, Tim conducts continuing education programs and workshops for exercise instructors and personal trainers from around the country, and also serves as Director of Education for the StrengthTime® fitness franchise.
Sandi Corniel
Sandi has over 5 years professional work experience in the health and fitness field. Her experience includes serving as a physical therapy aide, personal trainer, fitness sales and marketing specialist, and Director of Personal Training.
Sandi earned a Bachelor of Arts in Sports Management, with a Minor in Fitness Management from Lewis University. She is a certified Personal Trainer with the American Council on Exercise (ACE).
Rene Rischl
Rene has 5 years professional work experience in the health and fitness field. Prior to coming to Precision Fitness she worked as a personal trainer and also as the General Manager of a personal training fitness center.
Rene is certified as a MedX® Exercise Technician through the University of Florida, Center for Exercise Science.
