MAT Team

  • CEO/Founder

    Greg Roskopf

    Greg Roskopf has devoted his career to the study of the “cause and effect” of the muscular system and how it relates to pain. As the author of the Roskopf Principle and the founder of Muscle Activation Techniques® he has developed a program (MAT®) that fills the gap between the medical and the exercise fields. He has applied his MAT® technique to patients and taught MAT® certification courses for decades.

    Greg works with clients of various levels of physical capabilities. Greg has also worked as a consultant for various professional sports teams including: the Denver Broncos, the Utah Jazz, and the Denver Nuggets.

  • MAT® Rx Full Body Specialist, Jumpstart and Specialist Instructor

    Eric Seifert

    Jumpstart and Specialist Program Instructor: Eric Seifert is one of Canada’s leading professionals regarding muscular function and health. He holds a Mastery Level designation within the Muscle Activation Techniques® (MAT®) discipline as well as the Resistance Training Specialist (RTS) program.  He was asked to assist in the first ever MAT® Rx class filled with the top […]

  • MATRx® Full Body Specialist, Instructor of Masters and Specialist Programs

    Megan Leyba

    After being introduced to MAT®, Megan developed a passion for helping others to see the benefits of this incredible technique.

  • MATRx® Full Body Specialist

    Miguel Ramirez

    If you are lucky enough to spend time in Miguel’s care, you will learn that he is a phenomenal photographer, enjoys staying active by cycling and finding the nearest pickup basketball or volleyball game and has lately taken an interest in learning muay thai. However, his passion which becomes quickly evident, is the human body. […]

  • PT, DPT, MATRx® Full Body Specialist, Instructor of Masters, Specialist, and Jumpstart Programs

    Dr. Eryn Paetz

    Dr. Eryn Paetz is a MATRx® Full Body Specialist, has her Doctorate in Physical Therapy, and is Co-Owner of Rock Solid Physical Therapy, Powered by MAT®.

  • MAT® Rx Foot and Hand Specialist, Specialist Program Instructor & Jumpstart Instructor

    Aaron Lakanen

    Aaron Lakanen is a dedicated and passionate fitness professional, entering the field in 1999. He has spent his entire career learning more about the human body, the greatest creation, to best serve his clients and students in their desire to seek optimal function and performance. Beginning his career in Minnesota as a trainer, he was […]

  • Honorary Lifetime Jumpstart Instructor

    Peter Chiasson (1970-2012)

    HONORARY LIFETIME JUMPSTART INSTRUCTOR: Peter had over 20 years in the health and wellness industry, and was one of the most educated and experienced health professionals in Canada. Peter was a Certified Muscle Activation Techniques® Specialist, had a Masters designation with the Resistance Training Specialist program and was an RTS Instructor. Peter was also a […]

  • MATRx® Full Body Specialist

    Rich Rife

    Imagine having power adaptable to training hard in the valley, then playing hard in the mountains.  If you desire developing alpine power for mountaineering, skiing or other mountain activities, then being guided by Rich through your vulnerabilities may be the path you need to keep playing in the mountains forever. Clients working with Rich experience […]

  • PT, DPT, MATRx® Full Body Specialist, Instructor of Masters, Specialist, and Jumpstart Programs

    Dr. Ryan Coufal

    Dr. Ryan Coufal is an MATRx® Full Body Specialist and holds his B.S. in Exercise Science and his Doctorate in Physical Therapy, both from the University of New Mexico.

  • MAT®Rx Foot and Hand Specialist, Specialist Program Instructor & Jumpstart Instructor

    Charlie Cates

    Char­lie Cates is a Muscle Activation Techniques® certified master specialist (MAT®m), a mastery level Resistance Training Specialist™ with honors (RTSmh), and a Cer­ti­fied Personal Trainer through the National Academy of Sports Medicine.  He is also a candidate for a Masters of Science degree in Exercise Science from Northeastern Illinois University. Charlie attained a Bachelor of […]

  • MAT® Rx Foot and Hand Specialist and Jumpstart Instructor

    Eric Ferguson

    Jumpstart Instructor: For the past 15 years, Eric has been a professional in the fields of Exercise Science and Health. After getting a degree in Kinesiology and his early certifications while employed at The Cooper Clinic, Eric began his own company specializing in MAT®, personal training and consulting. As a certified MAT® Master Specialist and […]

  • MAT®Rx Foot and Hand Specialist, Specialist Program Instructor & Jumpstart Instructor

    Omar Castillo

    For more than a decade Omar Castillo has been helping people achieve their health goals at Sport City, Mexico’s largest fitness chain. His work as a Personal Trainer has been featured in fitness magazines and newspaper such as Balance, Reforma & Universal. Omar studied Architecture in the ITESM – CEM and continues studying Sports Science […]

  • Jumpstart Instructor

    Paul Ciske

    Dr. Paul Ciske received his Ph.D. from the University of Michigan in physiology where he studied the effects of chronic stimulation on muscle regeneration. 20 years later he came back to stimulating muscles as a certified Muscle Activation Techniques® Specialist, which he has now been doing for 13 years. His business is called “Your Well-Being” […]

  • Jumpstart Instructor, MAT® Rx Foot and Hand Specialist

    Lauren Eirk

    Lauren Eirk, MS, MAT®m, is the Founder of the Yoga Integrated Science™ Wellness Center in Louisville, KY.  She is a certified E-RYT 500 level Yoga Instructor with Yoga Alliance® and has over 30 years of experience in group fitness, personal training, health fitness management, and continuing education instruction. Lauren was introduced to MAT® after a very painful […]

  • MAT®Rx Foot and Hand Specialist, MAT® Jumpstart Instructor

    Brian Hannah

    Brian has been active in sports his whole life, excelling in baseball as a starting pitcher. During his college career, he received several All-League and All-State awards, ultimately earning a scholarship to Sonoma State University. After 1 year, he sustained a career ending injury that he was frustratingly told didn’t exist and no one could […]

  • Stacey Earl
    MAT®Rx Foot and Hand Specialist, MAT® Jumpstart Instructor

    Stacey Earl

    Stacey Earl has worked professionally as a personal trainer in San Francisco for twelve years and a MAT® Certified Specialist for 10 years. Stacey holds the distinction of being the first Muscle Activation Techniques® Certified Specialist in San Francisco and has mentored many specialists in the Bay Area. Stacey takes a holistic approach to her […]

  • MAT®Rx Full Body Specialist, MAT® Jumpstart Instructor

    Glenn Haugk

    Education: B.S. Exercise Science Lubbock Christian University Certifications: Currently holds or has held: RTSm Resistance Training Specialist Mastery Certification MAT®m Master Muscle Activation Technique Specialist MAT® Rx Hand and Foot Specialist MAT® Rx Full Body Specialist CIAR Phys. Fitness Specialist CIAR Biomechanics of Resistance Training CIAR Optimum Performance Training PTPT I Advanced Biomechanics PTPT II […]

  • MAT® Master Specialist, MAT® Jumpstart Instructor

    Kevin Votta

    Kevin Votta is Tampa’s first and only Master Level Muscle Activation Techniques® Specialist. He is the owner of Fitness-Tek Personal Training Studios. Fitness-Tek is proud to be a hub location for MAT® and hosts MAT® courses throughout the year. Kevin has been a personal trainer for over 10 years and started his own company in […]

  • MAT®Rx Full Body Specialist and MAT® Jumpstart Instructor

    Dave Reed

    Dave holds the titles of MAT® Master Specialist, MAT®Rx Hand and Foot Specialist, and Mastery Level Resistance Specialist. He founded Kinetic Symmetry, Inc. in 2006 and over the past 20 years Dave has been professionally helping people improve their quality of life and overall health and wellness. He is one of the top MAT® Specialists in the […]

  • Jumpstart Instructor

    Dr. Brian Inselman

    Brian has an extensive background in biomechanics, athletics, sports training and rehabilitation. He graduated from Creighton University’s Doctor of Physical Therapy program with honors. He was one of the first in the country to be certified as a Muscle Activation Techniques® Specialist and Resistance Training Specialist Mastery Level. This makes him the first and only […]