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Instructor Trainer bios

The Merrithew Faculty, or members of our esteemed team of Instructor Trainers, is made up of highly qualified and internationally sought-after educators who are known for their dedication, professionalism and attention to detail. All of our faculty members hold full certification in the STOTT PILATES® method and have achieved additional designations to complement their training. A diverse group, they come from various backgrounds including physical therapy, exercise science, athletic therapy, dance and group and personal fitness training to name a few. Every member of the team strives to uphold the highest standards of training that have been developed worldwide.

Jessica Ortiz

Jessica Sabrina Ortiz Sainz

London, UK

IT qualifications
STOTT PILATES® Mat & Reformer

Additional credentials and designations
Sports Massage and Remedial Therapy diploma (L.S.S.M.), Certified Strength and Conditioning Couch, Group Fitness and Garuda Instructor


Originally from Mexico City, Jessica has lived in London, UK for the past 20 years. Having studied dance from an early age, Jessica turned to Pilates as a method of rehabilitating injuries. Realizing the potential for Pilates and her desire to keep movement as a part of her lifestyle, Jessica chose to make the method her career in 2005, becoming a STOTT PILATES® Certified Instructor. In August 2016, Jessica went a step further and became a Merrithew Instructor Trainer specializing in STOTT PILATES. Jessica teaches at London's YMCA OneKX, her own company, Body Harmony, and at London's premier health club KX GYMUK. Jessica has worked in the fitness industry for the past 12 years, and enjoys working with clients from different backgrounds. She takes great satisfaction from helping people improve their lifestyle with a holistic approach.

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