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Who We Are...

Pilates Master Teachers Michael Fritzke & Ton Voogt

Are internationally recognized Pilates presenters, educators, consultants and innovators with over 25 years experience in the fitness industry.


They believe that Pilates is both an Art and a Science. It is an Art because it requires ability in execution and it is a Science because it is based on a systematic theory. It is this systematic theory, with concepts and principles, that is the common thread in all approaches, traditional and evolved.


Michael and Ton both worked with Romana Kryzanowska, one of Joseph Pilates’ protégés, for over 10 years in New York City where they were Teacher Trainers for her original international Pilates certification program.  Since 1996, Michael and Ton have collaborated specializing in the Pilates method. They co-founded ZENIRGY, LLC. and together they developed and created the revolutionary TRIADBALL™, TRIADBALL™ manual, numerous DVDs (commercial and educational) and several independently owned and operated Pilates certification programs in Norway, Austria, The Netherlands and Portugal. They have also collaborated with a wide range of Physical Therapists to integrate the Pilates method into patient-based therapy programs. Michael and Ton have appeared on ABC, NBC, FOX, Oxygen and Lifetime promoting the Pilates method. Their work has also been featured in numerous magazines and newspapers such as: Pilates Style, Self, More, TimeOut New York, New York Post and others.

            The TRIADBALL™ was used and featured in the Bulletin of NYU Hospital for Joint diseases, “Rehabilitation after Total Hip and Knee Arthroplasty A New Regimen Using Pilates Training”.



Ton has a BS in Physical Education and is a certified Pilates Teacher Trainer, Personal Trainer and ACE certified Group Fitness Instructor. He is a former member of the Dutch National Gymnastics team and former performer with international stage, film and television credits.



Michael is a certified Pilates Teacher Trainer, Personal Trainer and certified Reiki Practitioner. He is a former performer, with Broadway national and international credits as a performer, dance-captain, stage manager and resident director.



Michael and Ton are devoted to the art of the Pilates method and embrace all approaches of the method. They believe Pilates is a concept and philosophy and the exercises are the concepts and philosophy in motion.


If you are interested in hosting a workshop, seminar or master class with Michael and Ton at your facility, please contact us at


Click the following links for Michael's and Ton's biographies.

Click here to read a full list of their qualifications.

See some of our recent media coverage