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Pilates Instructors
What sets us apart is our deep-rooted commitment to the original teachings of Joseph Pilates.
Each of our instructors holds a Comprehensive Pilates Certification with 500+ hours of training and has been trained extensively in the Pilates method. Their specialized expertise ensures a high-quality, authentic Pilates experience in every session.
Get to know us

Lizzie Ferguson
Studio Owner and Instructor
Lizzie has been teaching Pilates privately for over eight years. She became passionate about the Pilates method and Joseph Pilates teachings during her time in college, where she was a marathon
runner and equestrian. She began teaching group fitness during her time at LSU, and immediately knew that she wanted to inspire others to feel their best.
In 2014, Lizzie graduated from LSU with a degree in Kinesiology and immediately began her comprehensive Pilates training through BASI Pilates. She has been teaching Pilates continuously during her time as an instructor and values continued education through her peers and mentors. In 2021, Lizzie complete her
classical training through the Equinox Pilates Teacher Training program where she served as a Teacher Trainer, and will begin the Pilates Legacy Program through BASI Pilates in the spring of 2025.
Lizzie always dreamed of opening a boutique Pilates studio for her beloved clients and colleagues and is thrilled to share The Pilates Space with the Dallas community.

Mary Thrasher
Master Pilates Instructor
Mary has been teaching Pilates for over 8 years. She has danced throughout her life and graduated Summa Cum Laude from Sam Houston State University in 2017. While at SHSU, Mary completed her Pilates mat and comprehensive training through Balanced Body under the mentorship of Betty Nicolay. In 2023, Mary graduated from Peak Pilates’ “Discover Move and Inspire,” a Master’s Pilates certification program under the guidance of Nancy Hurd, Cherry Herzog, and Laura Hampton.
She has taken workshops under Lolita San Miguel, Chris Robinson, Carrie Samper, and many other esteemed instructors in the national Pilates community. Mary would describe her teaching style as precise and technical, with an emphasis on posture, proprioception and fun! With experience teaching beginners to super advanced clientele, she loves to tailor session programming to challenge every client, regardless of ability, at an appropriate, safe level. Mary personally trains seriously in classical Pilates every week through her own personal practice, prides herself on being a forever student, and continually seeks out continuing education within the Pilates community to grow. She loves to teach the classical system across the spectrum of apparatuses and greatly enjoys teaching her clientele about the origin and history of Contrology.
If Mary could go back and talk to one historical figure – it would most definitely be Joseph Pilates!

Kelli Seliger
Pilates Instructor
Kelli has been a Pilates practitioner for over twenty years, and even spent several years as an instructor. Kelli has recently completed her Pilates training through BASI Pilates during the summer of 2024 and is thrilled to be a part of the team at TPS. In addition to Pilates, Kelli is a realtor in the DFW area and looks
forward to incorporating her passion for Pilates into her real estate career.

Grace Croxton
Pilates Instructor
Grace completed her Pilates certification through the 650 hour Pilates Teacher training from TCU's Extended Education Program in conjunction with the School for Classical and Contemporary Dance in May of 2020. Grace describes her teaching style as athletic and progressive, but aligns closely with her classical Pilates training. Her sessions have a deep emphasis on precision, technique, and form.

Samantha Scheller
Pilates Instructor
Sam has been practicing Pilates for almost a decade and teaching consistently for 4 years.
Originally from Southern California, she received her certification in Orange County from Studio du Corps and moved to Dallas in 2020 where she has been teaching her beloved clients ever since.

Julia Anderson
Pilates Instructor
Julia is a Balanced Body–certified Pilates instructor whose journey into the method was deeply personal. She fell in love with Pilates after witnessing the remarkable impact consistent practice had on her father, who lives with Parkinson’s Disease. That experience ignited a passion for helping others feel stronger, more connected, and more confident in their movement. Known for her keen eye and meticulous attention to detail, Julia ensures every session is both safe and effective. Her upbeat personality and infectious sense of humor bring a joyful energy to the studio—you’ll be working hard and laughing just as much!

Marli Johnston
Pilates Instructor
Marli is comprehensively certified on all Pilates apparatus through Balanced Body. With a background in dance and experience as a Kilgore College Rangerette, she brings grace, discipline, and a deep understanding of movement to every session. Marli’s vibrant energy and uplifting presence make her classes both empowering and enjoyable. Her genuine love for Pilates, combined with a contagious passion for mindful movement, inspires clients to connect deeply with their bodies and discover their own strength.
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