The RINK Testify Performance performance team have a wealth of knowledge and experience that they bring to our clients. Each and everyday they drive athletic performance via data-driven programming and create the link with our coaches allowing our atheletes to reach their on and off ice goals.

Performance Team

Jeff Leiter Headshot

Director of Sports Science & Performance

Jeff holds a PhD from the Department of Human Anatomy and Cell Science as well as a Master of Science in Sport Biomechanics. He is also currently a sport-science consultant for various NHL teams and hockey equipment companies.

Dr. Jeff Leiter Director of Sports Science & Performance

Mike Hellyer Headshot

Manager of Off-Ice Programming

Mike holds a Master of Science in Sport Biomechanics and is certified as a Strength and Conditioning Specialist (CSCS) through the NSCA. Mike has experience both evaluating and training athletes at all levels including the NHL, AHL, WHL all the way through the minor hockey ranks.

Mike Hellyer Manager of Off-Ice Programming

Matt Asmundson Headshot

Off-Ice Hockey Coordinator

Matt holds a Bachelor of Kinesiology and is currently pursuing his Master of Science with a focus in Exercise Physiology. His current research interest is the relationship between on-ice speed and off-ice maximum and dynamic strength levels. Matt is a certified Strength and Conditioning Specialist (CSCS) through the NSCA as well as an NCCP level 2 trained Olympic Weightlifting Coach.

Matt Asmundson Off-Ice Hockey Coordinator

Larissa Martyniuk Headshot

Performance Coach

Larissa Martyniuk Performance Coach

Brooklyn Parker Headshot

Performance Coach

Brooklyn Parker Performance Coach

Tayte Neill Headshot

Performance Coach

Tayte Neill Performance Coach

Therapy Team

Izzadmaher Satoudian Headshot

Coordinator of Athletic Therapy & Teams

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Izzadmaher Satoudian Coordinator of Athletic Therapy & Teams

Sean Nagasaka Headshot


Dr. Sean Nagasaka uses a patient-centered approach to empower individuals and utilizes chiropractic manipulations, soft tissue therapies, and rehab exercises to help clients reduce their pain and reach their goals.

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Dr. Sean Nagasaka Chiropractor

Tess Dusik Headshot

Massage Therapist

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Tess Dusik Massage Therapist

Tayte Neill Headshot

Athletic Therapist

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Tayte Neill Athletic Therapist