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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.

Tresa Sauer

The Sweatshop
St. Paul, Minnesota, USA

IT qualifications
STOTT PILATES® Matwork & Reformer, Cadillac, Chair, & Barrels


In 2005, Tresa left a 20-year paralegal career to become a STOTT PILATES® Certified Instructor. After completing her courses at The Sweatshop in St. Paul, she began teaching classes and working privately with clients there. In 2010, Tresa became an Instructor Trainer for Merrithew specializing in STOTT PILATES and remains at The Sweatshop now teaching students in addition to her client base. Her dynamic personality and keen sense of humor bring enthusiasm to the educational setting and make her an approachable mentor and information source. In addition to Pilates, Tresa is a TRX Suspension System, Russian Kettlebell and CrossFit enthusiast.

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