Who We Are
Located in the heart of historic downtown Fenton, Fenton Pilates Studio offers a boutique reformer experience designed around personal attention, intentional movement, and community.
Pilates Reimagined for Downtown Fenton.
Never more than 7 clients at a time….Personalized all the time.
Fenton Pilates exists to give every client the kind of teaching that changes how you move, and how you feel.
The People Behind Your Practice
Every instructor at Fenton Pilates Studio brings a distinct background and teaching voice. What unites them is precision, patience, and a genuine interest in your progress.
Tiffany Stolzenfeld
Owner
As a longtime Fenton business owner and entrepreneur, Tiffany Stolzenfeld has spent much of her career building businesses, leading teams, and investing in the community she calls home. With a background in sales and business leadership, along with her involvement in a women’s boutique in Downtown Fenton, Tiffany has always believed that successful businesses are built around people, relationships, and community.
That philosophy inspired Fenton Pilates—a beautiful, boutique studio created to offer something more personal. With small classes, exceptional instructors, and an intentionally welcoming environment, Tiffany’s vision is for every person who walks through the doors to feel known, supported, and part of a community.
For Tiffany, Fenton Pilates is about more than movement. It’s about creating a place where people can feel stronger, connect with others, and truly enjoy taking time for themselves.
Cyndi Maynard
Lead Instructor
Driven by a lifelong passion for wellness, education, and community, Cyndi became a Pilates instructor to empower others through movement. After being diagnosed with Rheumatoid Arthritis in 2020, she discovered Pilates as the ultimate solution for increasing mobility, boosting range of motion, and protecting her joints. She fell in love with the boutique group setting and transitioned into teaching to share the benefits of Pilates. Her dynamic, engaging classes focus on core strength, stability, and deep body awareness, providing a safe, motivating space for every age and body type to push limits and thrive. When she isn't on the reformer, you’ll find her exploring National Parks with her family, hiking, kayaking, or reading.
Abby Avitia
Instructor
With 1.5 years of Pilates teaching experience in Arizona, Abby leads dynamic, full-body classes that are athletic, challenging, and accessible to all. Her professional dance background has shaped her teaching style, inspiring movement that builds strength, endurance, and body awareness. She emphasize breathwork, inclusivity, and results-driven programming while fostering the supportive community that makes Pilates so special.
She believe Pilates is an essential part of achieving a strong, healthy lifestyle, and she loves helping clients feel stronger, more confident, and more connected through movement.
Kristin Stoll
Instructor
Kristin was born and raised in Arizona and moved to Michigan in her 20s. It didn’t take long before she met her husband, and now they're happily married with three amazing boys and three lovable doggies.
Her passion for fitness began at a young age as a competitive cheerleader and grew through years of weightlifting, eventually leading her to Pilates.
When she's not in the studio, she's usually cheering on her boys from the baseball field, collecting Pokémon with her family, exploring hiking trails, or riding their electric scooters around. She's also a huge sports fan (Go Blue!), loves lifting at the gym, and enjoys taking Pilates classes to continue growing as an instructor.
Music is a huge part of her life, and she loves creating fun, creative class flows that keep every workout fresh, challenging, and engaging. Her goal is for every class to leave you feeling stronger, more confident, and excited to come back for more!
Michelle Heffron
Instructor
Michelle is a Comprehensive Pilates Instructor, RYT-200 Yoga Instructor, ACE Certified Personal Trainer, and holds a Bachelor of Science in Nursing from Michigan State University.
She has practiced yoga and Pilates for over 25 years and has taught yoga, mat Pilates, personal training, and group fitness for the past eight years.
Michelle has experience teaching everyone from young athletes to active seniors. She is passionate about helping others build strength, improve mobility, and move with greater confidence through mindful, purposeful movement. Her classes emphasize proper alignment, functional movement, and creating a welcoming environment where every client feels supported and successful.
Michelle believes movement is one of the most powerful tools for improving health, maintaining independence, and enhancing quality of life. Her goal is to make fitness accessible, enjoyable, and empowering for every body.
“You are only as young as your spine is flexible.”
— Joseph Pilates
Monica Rynearson
Instructor
Monica is a caring, creative, and thoughtful Pilates instructor who helps clients feel more connected, capable, and confident in their bodies.
With 25 years of experience, Monica brings a supportive, yet challenging energy to every class.
Her anatomy-informed cueing helps clients understand how each Pilates movement should feel, encouraging greater body awareness, precision, and control.
Monica’s curiosity and passion for movement keep her Pilates classes fresh, engaging, and purposeful. Each workout is designed to awaken deep stabilizing muscles, build balanced strength, and support joint health and core integrity, so clients leave feeling stronger, more aligned, and energized.
Monica’s background in clinical mental health brings a compassionate, whole-person perspective to her Pilates teaching. With specialty training in aging issues, career development, and grief, she understands how movement can support strength, confidence, and overall well-being from the inside out.
Sherryl Perry
Instructor
Sherryl is an RYT 500 Yoga Teacher, Pilates Reformer & Mat Instructor, Health & Wellness Coach, Thai Massage Practitioner, and Level III Reiki Master. Since 2009, she has guided students toward greater strength, balance, and well-being through mindful movement and compassionate teaching.
Her classes blend expertise with warmth, creating an inviting space where students can reconnect with themselves, move with intention, and discover joy in the process. Sherryl believes true wellness begins with presence, curiosity, and caring for both body and spirit.
A graduate of Eastern Michigan University, Sherryl holds a BS in Psychology and Literature. She is a mom to three amazing kids, one sweet pup, and four indifferent cats. She encourages you to walk barefoot and smile often.
“Forget not that the earth delights to feel your bare feet and the winds long to play with your hair.” ~ Khalil Gibran
Stephanie Staisil
Manager
Stephanie brings over 20 years of experience in fitness and wellness, along with a long-standing passion for helping others feel their best. Since 2009, she has worked as a licensed massage therapist, focusing on whole-body wellness and helping clients feel good from the inside out. As manager of the studio, she is dedicated to creating a welcoming, positive environment where clients can grow stronger, healthier, and more confident.
Lily Marshall
Front Desk Associate & Pilates Apprentice
Cassidy McKissic
Front Desk Associate & Pilates Apprentice
What We Stand For
These aren't wall prints. They're the decisions we make every day about class size, equipment, and the kind of teaching we hire for.
Inclusivity
Pilates is for every body, every age, every starting point. We cap class sizes and adapt every movement so no one is left behind or pushed beyond where they are today.
Mindful Movement
We teach the 'why' behind every exercise. Clients who understand the intention of a movement make faster progress and avoid injury.
Community
Small classes mean you'll know your fellow clients by name. We run social sessions and workshops because we think connection is part of the practice.
Uncompromising Quality
We maintain our equipment on a strict schedule, hire instructors with rigorous certifications, and keep class numbers low so the teaching standard never slips.

