Meet The Teachers

Xavier Cha

XavierXavier’s active career in performance art informs her fascination in the breadth and intricacies of human physicality. The mind-body connection essential to Pilates continues to inspire Xavier to help others find this empowering strength within themselves. Xavier completed over 900 hours of rigorous training at True Pilates New York and received her certification through internationally accredited Romana’s Pilates. There she studied directly under Joseph Pilates’ protégé Romana Kryzanowska and her daughter Sari Mejio Santo. She has since actively given private instruction in NYC for 7 years, as well as fostering her continuing Pilates education and personal practice. Xavier is committed to instructing Pilates in the way most effective and meaningful to each individual while staying true to the classical form. She has experience training a full range of clients including dancers, athletes, expecting mothers, elderly, and clients with acute and chronic health conditions including back, neck and shoulder pain, arthritis, and post-op joint rehabilitation. She believes strongly in the healing abilities of intelligent movement, and confidence in mind and body strength.

Jamie Graham

DSC_0017Jamie Graham is a classical Pilates instructor and professional dancer based in New York City. She aims to help her clients connect with their bodies to discover greater postural support, efficiency of movement, and flexibility through the precision and flow of the classical method. Jamie completed her teaching certification through Romanaʼs Pilates at True Pilates New York in 2007. She has taught at True Pilates East and Equinox Fitness, where she also taught group fitness and managed a studio from 2007-2012. She now teaches independently in the city, but is based out of Form Pilates in Union Square. Jamie also teaches Variable Pop Fitness through Dances for A Variable Population, a dance fitness class geared for adults.

Rebecca Greenbaum

Rebecca was born in Brooklyn, NY. She received her Comprehensive Classical Pilates Certification from the Equinox Pilates Institute under Carrie Macy, Gretchen Lopez, and Benjamin Degenhardt. She has also completed the 360 Pilates program. In addition to working at FORM, she teaches at Uptown Pilates, Equinox, and at Henry Street Pilates.  She  is a professional dancer and received her early training at the Joffrey Ballet School. She graduated Skidmore College Magna cum Laude and holds an MFA from New York University’s Tisch School of the Arts. She currently dances for XAOC Contemporary Ballet, Jamal Jackson Dance Company, Suzzanne Ponomarenko Dance, and The Little Streams. She is thrilled to be a member at FORM, and is inspired by the talented teachers with whom she gets to teach.

Trisha Margolis

pilates-122Trisha creates personalized programs for women who are pre/post natal. She focuses on allowing women to strengthen & feel powerful in their bodies whether they are preparing for the birth of their baby or recovering afterwards. She knows how to help her clients reconnect with their post-baby body first hand. When the arrival  of her daughter threw her for a loop she became inspired to help women transform their bodies and create a new approach to fitness. Just bring your body and a little bit of faith and together she’ll help you make it happen! Want to be as healthy and strong as you can be?  Tired of your baby belly or judging yourself for not exercising?  Or are you simply not getting the results for your efforts? Do you have pelvic floor problems, chronic pain, diastasis recti and don’t know where to begin?  Do you tell yourself next week I’ll start caring for me and next week passes you by? Stop chasing Mondays!  Join me & cultivate strength, flexibility, freedom & joy in your body. 

Kat Castro

Kat is a NYC-based Pilates and yoga instructor. She recently graduated with her Doctor of Physical Therapy from New York University and is pursuing specialties in pelvic floor physical therapy and manual therapy.  She believes Pilates is a an important system of exercise that effectively combines strength, flexibility and control. She received her Pilates certification at Core Pilates NYC and is also a Certified Strength and Conditioning Specialist (CSCS). She currently studies Katonah Yoga with Abbie Galvin and Pilates with various master teachers who provide inspiration and valuable knowledge. Her sessions enable her clientele to find both space in structure in their bodies. She strives to provide a well-rounded movement experience and to help her clientele to embody their true potential. 

 Kelly Keesler

img_2878-1Kelly’s light-hearted and highly motivational approach to teaching encourages her clients to give their all, no matter their experience level, and leads to satisfying results and progress on a daily basis. Kelly is classically and comprehensively certified through Core Pilates NYC. She is also certified in Pre and Post-Natal Pilates and the Lagree FitnessTM method, an exercise method performed on the Megaformer, an innovative take on the original reformer that transforms and sculpts the entire body with cardio-infused pilates-esque exercises. Kelly enjoys explaining the Method as she teaches encouraging her clients to understand what each exercise’s purpose is and why we move the way we do, but also maintains a healthy amount of laughter in her sessions as well. After all, laughter is one of the best core exercises out there!

Kayla Prestel


Kayla Prestel has been teaching both private and group Mat and Apparatus Pilates in NYC for over two years and has been a practitioner of the method for over a decade. Kayla is passionate about discovering the intention and purpose behind every movement, as well as finding ways to release unnecessary tension in the body. She loves helping people strengthen their core, gain flexibility and explore the mind-body connection. When she is not teaching Pilates, she is a regular half-marathon runner and uses her physical skills on stage as a professional puppeteer with Puppet Kitchen Productions and other NYC theatre companies. Kayla received her Pilates Apparatus and Mat training from The Lab under Lawson Harris in DUMBO, Brooklyn. Laughter is one of her favorite abdominal exercises!