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Billy Glisan - Select 8-Hour Clinics Only

  • Billy is the founder & owner of Powercore 360.

He has trained volleyball athletes for the past 21 years, from club to professionals and has worked with numerous Division 1 athletes, coaches & programs. Billy developed the Powercore 360 training products and Volleyball Power Hitting Programs & Clinics.


Kelly Fieseler - Lead Coach

A graduate of the University of Iowa College of Medicine, with a Masters of Physical Therapy. She has been in practice for over 20 years with specializations, in Manual Osteopathic Medicine, Myofascial Release, Functional Mechanics of Movement, Certified Strength and Conditioning, Pilates Reformer and Apparatus Certification, and Pediatric Orthopedics.

She is the owner of Prime Athletics, a company whose focus is to train, educate and empower young female athletes from ages 8-18 years of age. She is the Director of Athlete Development and Injury Prevention at ClevPRIME Volleyball Club.

She has spent the last 4 years as the 11-1 National team head coach at AVC, qualifying her team in 2018 (the first year the 11’s age group was invited to GJNC). Kelly Fieseler is recognized locally and nationally as a leader in developing techniques and coaching methods for the 13 and under age group.


Tanner Garner - Lead Coach

Tanner is a Certified Athletic Trainer and Performance Coach with over 10 years of experience. Tanner has coached numerous levels of volleyball including middle school, high school, as well as collegiately. He has been responsible for the athletic and skill development of children, division 1 athletes, and professional athletes abroad. Along with coaching he has been a strength and conditioning consultant to many clubs in the greater Denver and Chicago areas. His experience is not only limited to the volleyball court, as Tanner has worked in the clinical setting of orthopedic specialists and sports medicine physicians.


Tanner is passionate about creating a bridge between what happens in the weight room and on the volleyball court. Giving athletes the appropriate tools mentally and physically that prepare them specifically for their sport in a way that they will perform at their highest level.

Register Below for 8-Hour Clinics


These clinics only allow 20 athletes maximum...they will fill up quickly!