Katie, Jon, and Trisha came together to create The Contrology Cohort, a premier Pilates gymnasium on the Upper East Side of Manhattan.


Katie Yip

Katie began her apprenticeship with Chris Robinson at S6 Fitnesin 2010, and then completed her 700 hour comprehensive certification under Brooke Siler and Cary Regan at re:AB Pilates in 2013. 

Outside of the Pilates domain, Katie earned an MA in Exercise Physiology from Columbia University and a BS in Physiology & Neuroscience from the University of California, San Diego. 

In addition to her formal training, she holds a certificate in the Complete Pilates Method Continuing Professional Education with Chris Robinson as well as a certificate in the Pilates Professional Advanced Teacher Training (PPATT) with KRN NY Pilates. She continues to study under the close mentorship of Kathi Ross-Nash and is currently enrolled in the studio's PPATT Teachers of Teachers program. 

She was featured on the cover of the July/August 2019 Pilates Style Magazine and was top five finalist in the 2014 Women’s Health Magazine Next Fitness Star competition. She is both a regular contributor to both Women's Health Magazine and BuzzFeed News. She can be found as a model in Kathi Ross-Nash's Pilatesology tutorials, The Red Thread of Pilates textbooks, and Brooke Siler's Women's Health Big Book of Pilates.


Jon Owen

Jon Scott Owen holds certificates in both "The Work" and "Teaching the Work" - highly selective graduate programs under the close mentorship of first generation instructor Jay Grimes. Jon is a featured model in the Gratz Equipment Gallery, and in Kathi Ross Nash’s publications "The Red Thread: The Mat." & "The Red Thread: The Arm / Baby Chair.” He can also be seen demonstrating in countless videos on Pilatesology. You can find Jon teaching regularly on the Upper East Side in New York City.


Trisha Margolis

Glad you found your way here because I’d love to introduce myself.

I’m a mom, Pilates teacher (19 years and counting!), certified MuTu Pro, health educator, former triathlete and the creator of Pilates Fit MamaWhat is that, you say?!? It’s Pilates fused with functional and high-intensity fitness to strengthen, restore, and transform your body into one that you will love, accept and appreciate.

I help busy pre/postnatal women like you get strong and fit while feeling confident and powerful.

My Mission is to help women of the world to know they can heal! Understand, trust and LOVE their bodies while taking responsibility for their health. And the good energy and health that come as a result won’t only affect you. They become a domino effect which ultimately impacts the health and life of those around you. In the best possible way!

I want to inspire and empower you to achieve healing, strength, and a kick ass bum you would never have thought possible.