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 is currently training with Lolita San Miquel to further enhance her knowledge. She is trained through the Pilates Studio, Romana's Pilates, Authentic Pilates, the Pilates Method Alliance, a Guild Certified Feldenkras Practitioner, and through the National Pilates Certification Program. She was a principle dancer for ten years with Ballet Hispanico of NY, where she now sits on the Board of Directors. 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 and was a Certified Romana's Pilates Level 2 Trainer. Romana invited Kathryn to sit at her right hand as her founding Vice-President 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" and she is one of her best, her "Star of Stars."
Kathryn appeared with Romana multiple in Pilates Style Magazine. She can be found on her own Vimeo site, Pilatesology and Pilates Anytime. She was featured instructor in the premiere issue of Pilates Style and has been featured in the magazine many times since, served a writer for its blog, magazine and currently sits on the Advisory Board. She is an often-quoted expert whose advice on the method and it's 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.