Pilates is many things- but most of all movement!


Kathryn Ross-Nash, Mother, Teacher of Teachers, Author, Model and Instructor.

Kathryn began her Classical Pilates training in 1982 and has had the privilege to study with First Generation teachers Romana Kryzanowska, Lolita San Miguel, Kathy Grant, Sari Mejia Santo, Jay Grimes and Edwina Fontaine. She was a Romana’s Pilates Level 2 Trainer. She received comprehensive training through the Pilates Studio, Romana’s Pilates, Authentic Pilates, has been certified by the National Pilates Certification Program, Lolita San Miguel’s PMMP Program and is a Guild Certified Feldenkras Practitioner. She was a principle dancer for ten years with Ballet Hispanico of NY, where she sat on the Board of Directors for three years. Kathryn holds a second-degree black belt in Tae Kwon Do and an undefeated AUU sparring record.

Kathryn worked closely with Romana for many years. Romana named her founding Vice- President to her Presidency of the Authentic Pilates Guild. Kathryn often traveled and demonstrated the work for Romana during her workshops. She is the only woman to demonstrate on both the Romana’s Pilates Mat DVDs, she is the voice and teacher of the individual follow along Mat workouts and the Legacy Series DVDs. Romana is quoted about Ms. Ross-Nash, saying “her work is like ice cream”, “poetry in motion” and “she is one of her best”- Romana’s “Star of Stars.”

Kathryn appeared with Romana multiple in Pilates Style Magazine. She can be found on her own Kathirossnash.com, Pilatesology and Pilates Anytime. She was featured instructor in the premiere issue of Pilates Style and was featured in the magazine many times since, served a writer for the blog, magazine and sat on the Advisory Board. She is an often-quoted expert whose advice on the method and its' authenticity is sought after worldwide. To celebrate her 55th Birthday she had the honor to grace the cover of Pilates Style Magazine as the oldest single cover model in their history. With this cover, which included a ten-page spread featuring her work “The Red Thread®”. Along with her daughter, Zoe Ross-Nash, this cover kicked off the campaign #donttouchme, encouraging others to embrace their authentic self and shed the use of filters and photo shop alterations.

My favorite thing in the world is to be able to teach the work I believe in so strongly, as my teachers so generously gave it to me.
— Kathi Ross-Nash

Known throughout the industry for her purity and devotion to the work, Kathryn’s client list spans the athletic and entertainment industry. In 2016 she was bestowed the honor, by the PTA, to be the first instructor to teach Joe’s work on the Isle of Man at the site of Camp 4, where Joe Pilates was interned. She was the first Pilates instructor to train the young dancers of the Vaganova School, in St. Petersburg, Russia. Kathryn has taught in Moscow, Chile, Australia, Spain, Russia, Germany, England, Portugal, Scotland, Israel, Brazil, Costa Rica and throughout the United States.

Kathryn founded the Authentic Pilates Union and was appointed Chair. She has owned and operated the American Body Tech Pilates Studio since 1992. She is the creator of many innovative workshops including: The Red Thread®, The Add On Mat®, Fix Your Feet ™, Connection to the Jump™ and Variations on a Theme - Mat & Reformer™. Her DVD, Kathryn Ross-Nash New York Pilates© and books, Fix Your Feet - Using the Pilates Method© and The Red Thread of Pilates - The Integrated System and Variations of Pilates - The Mat© , The Red Thread of Pilates - The Integrated System and Variations of Pilates - The Baby / Arm Chair ©, The Red Thread of Pilates - The Integrated System and Variations of Pilates – The Foundational Reformer © and The Red Thread of Pilates - The Integrated System and Variations of Pilates – The High / Electric Chair© have been acclaimed worldwide.

Kathryn is a Senior Breeder Judge and breeder of Champion Australian Shepherds.