Instructor Trainers

Zhang Xi's passion for sports, exercise and movement led him to pursue a Bachelor’s of Education in Sports Training with a focus on the analytical method and technology of special exercises.

After graduating, he devoted himself to finding a more scientific and effective method of movement. He soon discovered STOTT PILATES^® and was impressed by its well-rounded, incredibly detailed and thorough curriculum. Studying the method helped him develop a new way of thinking about exercise and movement. He became a STOTT PILATES Certified Instructor in 2017.

Zhang became a Merrithew^® Instructor Trainer in 2021 specializing in STOTT PILATES Matwork and Reformer.

He looks forward to sharing his knowledge, passion and experience with other people who wish to develop a career in mindful movement.

Yue Xinxin's (Anna) love for movement began at six years old as a folk dancer—a passion she pursued for 12 years. However, a knee injury in 2017 put her dancing career on hold and affected her daily life. On a friend’s recommendation, she tried Pilates, which played a crucial role in her recovery, helping her regain confidence and achieve a greater sense of balance, both mentally and physically.

Motivated by her own healing experience, Anna co-founded PU Pilates at a Merrithew^® guest center in China. Through her extensive experience in teaching and management, she developed a deep respect for how a structured training system empowers instructors to reach their full potential. This realization led her to become a Merrithew training mentor, where she now dedicates herself to sharing high-quality training methods and concepts with those seeking guidance. people in need.

Chen Xu’s journey from serious crime detective to Pilates Instructor is one of resilience and discovery. Years of intense training in arrest techniques, combat and firearms took a toll on his body, leaving him with multiple injuries. In his search for relief, he found Pilates—and through dedicated practice, his physical ailments gradually eased.

This sparked a deep fascination with movement science, leading him to earn full STOTT PILATES^® certification in 2023 and later become a Merrithew^® Instructor Trainer. His background in criminal investigation sharpened his observational skills and logical reasoning, qualities that now shape his approach to teaching Pilates.

Xuanzi Lin, a graduate of the English major from Ocean University, began practicing yoga in 2013 and found that regular exercises could have positive effects and help to recover postpartum depression. She subsequently explored various exercises, such as Yoga, Fitness, and Pilates.

Eventually, she found that STOTT PILATES^® provided an extremely clear framework for self-practicing. Besides that, it is also the most effective and safe way to help the clients. Since 2019, she has interpreted more than 50 STOTT PILATES courses. Before being a STOTT PILATES IT, she had extensive practical experience of teaching both private and group classes as an Pilates instructor in three different languages such as Mandarin, Cantonese and English.

Judy discovered Pilates through her own injury-recovery journey, which shaped her mission to help others achieve sustainable wellness by addressing root causes rather than symptoms. With her STOTT PILATES^® certifications, she focuses on teaching students to understand their bodies, recognize movement patterns, and activate the right muscles to build functional, long-term stability.

Her belief that every body carries its own story led her to co-found Triangle Pilates Studios in Taiwan—a professional space dedicated to thoughtful, client-centered practice. This philosophy also guides her work as a mentor. Judy emphasizes the “why” behind each movement, teaching aspiring instructors how to observe, adapt, and present the method with clarity and intention.

Judy is committed to integrating Pilates principles into daily life and promoting mindful movement across Taiwan and Asia, fostering a community where clients and instructors grow stronger, more aware, and deeply connected to their bodies.

Ya-Cyuan Chen’s interest in Pilates stems from receiving orthopedic physical therapy after an ankle injury in high school. The success in her recovery inspired her to obtain her license in physical therapy in 2007; and it was not long after she began exploring mind and body exercises such as yoga and Pilates.

The mat exercises from Merrithew^®'s STOTT PILATES^® program convinced Ya-Cyuan Chen of the benefits of Pilates, and she completed her certification in STOTT PILATES and STOTT PILATES Rehab in 2011/2012.

In 2015, she co-founded Triangle Pilates Studio in Kaohsiung to inspire others in moving well and maintaining a healthy lifestyle. She also teaches at Merrithew Licensed Training Center, Alignment Fitness Studio.

After two years of teaching Pilates and Yoga, Yoyo reached a plateau and began exploring new methods to sharpen her skills. In 2019, she started training in STOTT PILATES^® and was immediately drawn to its structured, evidence-based approach. By 2021, she had become a certified instructor, and in 2022, she founded her own Pilates studio.

Beyond Pilates, Yoyo enjoys tennis, swimming and comprehensive strength training. She believes her Pilates practice has made it easier to learn and excel in other sports by improving her physical control, strength and agility.

Passionate about teaching, Yoyo continues to develop her skills and share the STOTT PILATES method with both clients and fellow instructors, helping more people experience what she calls “the best mind-body workout for modern life”.

YeJung Kim discovered STOTT PILATES^® in 2013 and was captivated by its systematic and logical approach that benefits both the body and mind. Driven by her passion for Pilates, she became a Merrithew^® Trained Instructor in 2015 and a Certified Instructor in 2017.

Upon relocating to Daejeon, South Korea, YeJung established the first fully equipped Merrithew studio, aiming to introduce Pilates and its benefits to her community. She later joined the Merrithew Host Training Center (HTC) to further promote the expertise of STOTT PILATES. In 2023, she advanced to become an Instructor Trainer, enabling her to deliver even greater value to her students and clients.

Since 2006, Jennifer Peng has been trained in STOTT PILATES^®, completing the full certification in both the Intensive & Advanced and Rehab streams. She later became an Instructor Trainer in the STOTT PILATES Rehab. She specialized in motor control field when she studied her master’s degree in Physical Therapy. She conducted and published a systematic review and meta-analysis article on the therapeutic effectiveness of Pilates for chronic low back pain in 2012.

Jennifer is currently a Clinical Associate Professor at National Yang Ming Chiao Tung University, where she mentors sixth-year physical therapy interns in learning and applying Pilates in clinical practice. Passionate about integrating clinical experience into rehabilitation-based Pilates, she continuously challenges herself to apply Pilates in diverse populations, including children with cerebral palsy, stroke patients, prenatal and postpartum clients with pelvic issues, postoperative, scoliosis, people with chronic pain, athletes, and cancer survivors.

Yifei pursued her education and professional experience in both the UK and Germany before returning to China in 2008 to build a career in finance. Her passion for mindful movement soon outweighed her corporate path, leading her to become a dedicated Yoga instructor.

In 2022, she discovered STOTT PILATES^® quickly experienced its benefits-enhancing her sports performance and relieving back pain. Now a dynamic Instructor Trainer, Yifei combines expertise with genuine care, building strong relationships and inspiring students to reach their full potential.