Mr. Proskewitz has worked with Professor McGill for the past 12 years learning his approaches for assessment and performance training. He is a master trainer based in London UK. Professor McGill regularly refers difficult patients to Joel who assesses the individual to reach a precise diagnosis. Then an appropriate strategy to eliminate the pain triggers to wind down sensitivity is coached. This is followed with an exercise progression to create a foundation for pain-free movement. He has taught internationally with Professor McGill for the past three years. He teaches McGill 2, McGill 3 and the Back Mechanic course.