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Instructor Trainer bios

The Merrithew Faculty, or members of our esteemed team of Instructor Trainers, is made up of highly qualified and internationally sought-after educators who are known for their dedication, professionalism and attention to detail. All of our faculty members hold full certification in the STOTT PILATES® method and have achieved additional designations to complement their training. A diverse group, they come from various backgrounds including physical therapy, exercise science, athletic therapy, dance and group and personal fitness training to name a few. Every member of the team strives to uphold the highest standards of training that have been developed worldwide.

Mary Jo Ketterhagen

Mary Jo Ketterhagen-Ida

John Garey Fitness & Pilates
Los Angeles, California, USA

IT qualifications
Matwork, Reformer, Cadillac, Chair, Barrels, ISP, ZEN•GA®, Total Barre®

Additional credentials and designations
ACE, PMA, Gyrotonic Certified, Gyrokinesis Certified, Bachelors of Science / Microbiology

Bio

Mary Jo has had a long history in the fitness industry, beginning in 1993 as an Aerobics Instructor. She fist received her certification as a STOTT PILATES® Certified Instructor in 2002, and quickly moved on to become an Instructor Trainer for Merrithew specializing ZEN•GA® in 2013, Total Barre® in 2013 and is a Lead IT for STOTT PILATES. Since becoming certified, Mary Jo has taught courses throughout the Unites States, and internationally as well. In addition to her STOTT PILATES Certification, Mary Jo is also a certified White Lotus Yoga Instructor and a Mad Dogg® Spinning Instructor. She specializes in creating workouts for all fitness levels and helping each of her clients to reach their fitness goals.

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