Fitness Trainers | Staff

Katie Thornhill

The owner of Personal Pilates Plus has been in the fitness and wellness industry since 1983 and opened her personal training/fitness business in 1996.  Katie specializes in Pilates, personal fitness training and MAT-muscle activation techniques.  She graduated with a Bachelor of Science in exercise and sports sciences, with a concentration in Wellness Management from CSU in 1991.  She has been a personal trainer for 35 years and is certified through National Strength and Conditioning Association.  She earned an Associate’s Degree as a physical therapist assistant in 1998 and worked at St Anthony Central in acute neuro-trauma.  She received her Pilates certification in 1999 and has been training herself and others ever since.  Katie  and is now currently being certified in the 2nd level as a MAT, muscle activation techniques, specialist.  She is certified in pre-natal/post-partum exercise.  She taught gross anatomy, anatomy, physiology and medical terminolgy at CSU and DTC.  Her passion is facilitating a balance in life with family, education, occupation, emotional, physical, social, and spiritual wellness.  She loves rock climbing, river rafting, camping and all outdoor exercise (indoors, when she can’t be outside)

Heather Lee

Heather Lee has her Bachelor of Science in Kinesiology from the University of Colorado at Boulder in 1993. She obtained her Physical Therapists Assistant degree from Denver Technical College in 1999. Heather received her Pilates certification from the Donna McLean studio and has been using her knowledge in both a rehab setting and here in the studio. She has worked in the physical therapy setting since 1995 in sports medicine and manual therapy settings. Heather continues to work full time as a Physical Therapist Assistant. In her spare time, Heather enjoys the Colorado outdoors and telemark skiing and competes in triathlons.

Julie Lavorini

grew up outside of Pittsburgh, PA and was very active in dance and sports throughout her school years. But after college she found herself in a desk job with constant aches and pains. Based on the recommendation from her doctor, Julie started taking classes with Katie Thornhill at Personal Pilates Plus. Seeing and feeling the functional benefits of Pilates, she decided she needed to learn more and bring those benefits of Pilates to others.  “I want to have the ability to do all of the things I love until my dying day – I want to make sure I can still hike with my dog, dance in my kitchen, and travel without limitations – and I want others to be able to do that too.” Julie received her Comprehensive Teacher Training certificate from BASI Pilates and is also TRX certified.

Patrice Stock

Over the past 10 years, Patrice Stock has trained over half a million bodies in somatic movement and Pilates principles ranging from pelvic rehab, professional athletes and children. She has coached and trained thousands of individuals in emotional intelligence and mindfulness. She has studied with Bob Leikens, Eric Franklin, John Barnes, and CEO of Inner Matrix Systems, Joey Klein. When not teaching Pilates, Patrice runs a thriving 1:1 practice for executive development training increasing job performance and life fulfillment. She incorporates mindfulness and accountability into her pilates teaching to ensure the highest form of transformation for clients. It’s her passion for people to know that everything is possible. 

Marji Marshall

Exceptional instruction from a kind woman with extensive knowledge and experience. Marji is a certified Pilates Master Trainer and Level 3 Yoga Instructor with over 30 years of experience as a certified personal trainer.
“I have transitioned into teaching more paddle boarding, yoga, Pilates, and cycling. As a retired professional athlete (pro beach volleyball), I have learned a great deal about injury rehabilitation and prevention.”

Carrie Davidson

 I recently moved here from California and am so excited to be working at Personal Pilates Plus! I worked as a Women’s Pelvic Health Therapist for the last 10 years. There I fell in love with Pilates and completed my Comprehension Teacher training certification through Basi Pilates International.  I was able to incorporate Pilates with my patients for rehabilitation and teach group equipment and mat classes.  I specialize in pre and post natal care, back-hip and pelvic disfunction, postural alignment and women athletes. I received my 200 hour yoga certification and look forward to teaching that as well! It’s been a crazy year and I look forward to being back in the studio working with all of you and the amazing instructors here at Personal Pilates Plus.


Hannah Button

Originally from New York, Hannah began her movement career as a professional dancer and teacher. She was introduced to Pilates after a hip injury and was immediately drawn to the
improvements it brought to her recovery and her general sense of well-being. Hannah holds a BFA in dance performance from SUNY Purchase College and completed her comprehensive Pilates training through Ellie Herman Pilates in Brooklyn, New York. Her goal is to share knowledge of the human body while catering to each individual and assisting them in discovering a deeper understanding of their own facility.
When Hannah is not teaching Pilates, she is out in the community as a case manager advocating for vulnerable populations. It is
Hannah’s passion to help people determine their needs and goals both physically and mentally. Welcome to Personal Pilates Plus Hannah!