Kathi Ross Nash

Kathryn Ross-Nash pilatesology instructor

Kathryn began her Classical Pilates training in 1982 and has had the privilege to study with First Generation teachers Romana Kryzanowska, Kathy Grant, Sari Mejia Santo, Jay Grimes and Edwina Fontaine. She was a Certified Romana’s Pilates Level 2 Trainer and a Guild Certified Feldenkrais Practitioner and was a principle dancer for ten years with Ballet Hispanico of NY She sits on the Board of Directors and has returned to re-stage ballets and support the company she so dearly loves. She holds a second-degree black belt in Tae Kwon Do and an undefeated AUU sparring record. She is a Breeder Judge of Australian Shepherds, which she raises, handles, breeds and trains.

Kathryn worked closely with Romana for many years. Romana named her founding Vice- President to her Presidency of the Authentic Pilates Guild. She is the only woman to demonstrate on both the Romana’s Pilates Mat DVDs 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”- her “Star of Stars.”


Kathryn appeared with Romana in Pilates Style Magazine, and now sits on the Advisory Board.  She was a featured instructor in the premiere issue of Pilates Style and has been featured in the magazine many times since and served a writer for it’s blog and magazine. In the November/ December Issue 2017, Kathryn was featured on the back cover. She is an often-quoted expert whose advice on the method is sought after worldwide.

Known throughout the industry for her purity and devotion to the work, Kathryn’s client list spans the athletic and entertainment industry. She was honored to be the first Pilates instructor to train the dancers of the Vaganova School in St. Petersburg Russia and has taught in Moscow, Chile, Australia, Spain, Russia, Germany, England, Portugal, and Scotland and throughout the United States.

In 2016 she was bestowed the honor of being the first instructor to teach Joe’s work on the Isle of Man at the site of Camp 4, where Joe was interned.

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 and 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® – The Integrated System and Variations of Pilates – The Baby/Arm Chair© and The Red Thread® – The Integrated System and Variations of Pilates – The High Chair© have been internationally acclaimed.

Currently Kathryn writes blogs for Pilates Style Magazine and various Pilates’ venues, travels the world training Pilates Teachers. Recently she opened a second studio in Bradenton Florida, The Red Thread Ranch and hosting the Pilates Professional Advanced Teacher Training program and continuing education for past graduates. This is a program where Teachers who have been certified and actively teaching for greater than 5 years gather to train in the application of the method. Kathryn solely created this program.

Visit Kathi at Kathryn Ross-Nash. and follow her on Instagram @redthreadranch_krn


Kathi's Classes