The Core Team

Diane Fidler,

MPT – Studio Owner

Diane opened Core Fitness and Physical Therapy in Evergreen Park, IL in 2005. She has lectured nationally about the benefits of utilizing the Pilates Method as part of the rehabilitation process. Diane has combined her experiences as a Pilates Method Alliance Certified Teacher, with her years of treating Physical Therapy patients, to create a system of wellness and rehabilitation that benefits all bodies, injuries, and ailments. Diane received her Master’s Degree in Physical Therapy from St. Mary’s College in Los Angeles.

Courtney Broderick,

DPT – Physical Therapy Director

In addition to being the director of Physical Therapy at CORE, Courtney is one of our Women’s Health specialists. She is trained in pelvic floor rehabilitation through the Herman and Wallace Pelvic Rehabilitation Institute and received her Doctorate of Physical Therapy from Marquette University. Additionally, Courtney has extensive training in the Pilates Method and is also a group fitness instructor.

Terri McCabe,

NCPT – Studio Manager

Terri is a Nationally Certified Pilates Teacher and Studio Manager at CORE. She worked closely with Diane Fidler to create the Core Pilates Teacher Training + Apprentice Program. Additionally, she received her aerial fitness certification through AIR.

Katie Nolan,

Office Manager

Katie earned a business degree from Eastern Illinois University in 2005. She started her career in the Merchandise Mart, working at a high-end interior design company. Once she started her family, she decided to become a stay-at-home mom for a few years, until she joined the team at Core in 2017. As the office manager, Katie handles the daily operations at CORE and specializes in benefits and insurance claims.

Stephanie Bartels,


Stephanie is a Nationally Certified Pilates Teacher with over ten years of experience teaching at CORE. She brings her passion for Classical Pilates to her group Mat and Reformer classes and adds contemporary twists to Classical exercises to keep her classes interesting and fresh. Stephanie’s clients thrive under her motivating and energetic guidance and benefit from her dedication to continuing education in Pilates.

Maggie Berry,

Office Staff

Maggie is a mother of three and was a stay-at-home mom for the last several years before joining the CORE team. She has a marketing degree from Columbia College Chicago. Health and fitness are a top priority in her everyday life. She loves pizza and her hometown Evergreen Park.

Melissa Burke,


Melissa is both a certified Pilates and Spinning Instructor, with specializations in Thai Yoga Massage and the Be Activated Technique. Melissa teaches beginner and intermediate level students in group mat and equipment classes, as well as private lessons.

Colleen Canna,


Colleen is a Pilates, Aerial, and Spin instructor. She completed her original Pilates training through CORE and has since completed additional training in the beginner and intermediate “Syllabus Program” with Mejo Wiggins. She received her Aerial training through Air.

Kathy Colander,


Kathy completed her undergraduate work at UIUC, and received her Doctor of Physical Therapy Degree from Midwestern University. She holds a Mastery Certification in Manual Therapy (MCMT) and is trained in the Pilates Method. She also has a background in Athletic Training.

Cathy Conjar,


Cathy is a Pilates instructor with extensive education through CORE. Her coursework included Anatomy & Physiology, as well as the Reformer, Split Pedal Chair, and Mat work. She teaches both private and group sessions at CORE and is also a Spin Instructor. She completed her certification in Aerial Yoga through Revival Yoga Studios.

Karen Costello,


Karen has been a Physical Therapist since 1986 when she graduated from The University of Illinois in Chicago. Since then, she has completed Pelvic Floor 1 training through the Wallace and Herman Pelvic Rehabilitation Institute and is part of our Women’s Health & Rehab team at CORE. She is also a Nationally Certified Pilates Teacher and certified in Pfilates (Pelvic Floor Pilates).

Lisa Daigler,


Lisa received her Master’s in Physical Therapy from Marquette University. She is also a Certified Rocktape Practitioner, and Certified IASTM Practitioner. Lisa completed Pilates training through CORE, has been trained in levels 1 + 2 of the Be Activated Technique, and is a Certified Movement Specialist.

Daniela DiBennardi,


Daniela is a 200-hour Certified Yoga Teacher. She completed her studies with Suddha Weixler, founder of The Chicago Yoga Center, in 2007. Additionally, Daniela holds certifications in AerialYoga, Yoga 4 Cancer, and Yoga for Seniors.

Denise DeLacey,

Massage Therapist

Denise is a graduate of the Wellness Massage Training Institute and has been practicing professional massage therapy for over 25 years. Denise has experience focusing on full body work and a combination of swedish, deep tissue, prenatal pregnancy massage, and hot stone therapy. In 2013, Denise became a Compassionate Touch Practitioner specializing in hospice massage therapy.

Cathriona Fey,


Cathriona is a certified Barre instructor through Barre Intensity. She completed her Pre/Post Natal Corrective Exercise Specialist training and certification through Fit for Birth and is a certified Diastasis Core Consultant through Fit for Birth and The Bloom Method.

Sharon Grant,


Sharon graduated from the University of Iowa with a BA in Communication Studies and the University of Illinois at Chicago with a BS in Physical Therapy. She holds additional certifications in the Pilates Method through Diane Fidler/CORE and The Be Activated Technique. She is also a Rock Tape Practitioner, Certified IASTM Practitioner, and a Certified Movement Specialist.

Heidi R. Klekamp,


Heidi studied the Pilates Method and Anatomy through several Balanced Body teacher modules, and continued her teacher training through CORE. Additionally, she studied Cranial Sacral at Sacred Journey Institute.

Margaret “Margie” Kuchan PTA,

Massage Therapist

Margie is a Licensed Massage Therapist and a Physical Therapy Assistant. She attended both the Chicago School Of Massage Therapy (class of 1987), and Morton College (class Of 2010). Additionally, Margie completed her Pilates training through CORE in 2011, and has been working at CORE since. Margie has continued her studies and skills, branching out to many types of manual techniques and fitness skills such as: IASTM, Kinesio Tape, Myofascial Release, Soft Tissue Massage, Total Control, Be Activated, and McKenzie.

Melissa Kreikemeier,


Graduated with her Doctorate of Physical Therapy from Marquette University. She is also certified in the LSVT BIG program for the treatment of Parkinson’s.

Jill Lenzen,


In addition to her Doctorate in Physical Therapy, Jill is trained in pelvic floor rehabilitation by the Herman and Wallace Pelvic Rehabilitation Institute and has been treating Pelvic floor conditions for over a decade. She is also a Certified Nutrition Specialist, providing custom nutrition and training programs through her personal business, B3 Fitness. She also teaches group fitness.

Chris Leo,

Office Staff

Chris spends her days enjoying the fast-paced, very detailed business of working the front desk at CORE. She says the patients and clients are a pleasure to work with. Keep smiling!

Peggy Meyer,


Peg was inspired to teach and coach Pilates because her experience has shown her that conquering the fundamentals are key to top performance in both athletics and business. Peg received one of the first women’s volleyball athletic scholarships to Pepperdine University, in Malibu, CA. There she studied Physical Education and Coaching.

Gabby Moody,


Gabby completed the Core Pilates Teacher Training Program in 2019. Along with her Pilates certification, Gabby is a certified Spinning Instructor and a certified TRX Trainer.

Jenny Moody,


Jenny completed the Core Pilates Teacher Training Program with Diane Fidler in 2005/2006. Along with her Pilates certifications, Jenny is a Star 3 Maddogg Athletic Spinning Instructor since 1997; Yoga Fit certified; Nideta certified; and a certified TRX Trainer.

Terese Pikula,

PTA, GTS, COPTA, Instructor

Terese graduated from St. Xavier University with her Bachelors in Science and Major in Biology. She graduated from Fox College for her Physical Therapist Assistant degree. Terese is a Certified Orthopedic Physical Therapist Assistant through the Association of Clinical Excellence and a Graston Technique Specialist. She was trained in the Be Activated technique levels 1 and 2. She completed her Pilates training with Diane and Terri and is a Certified Aerial Fitness Instructor through AIR.

Julie Perfetti,

Office Staff

Julie graduated from Marquette University with a degree in Psychology, and worked for 15 years as a juvenile probation officer. She has three awesome boys, and a husband who is a candy and snack broker! Julie is loving the change of atmosphere working at CORE and getting to interact with so many great people.

Rachel Ryan,


Rachel studied exercise science at Eastern Illinois University, completed the Physical Therapist Assistant program at Fox College, and is a certified spinning instructor.

Emma Shannon,

Social Media Marketing

Emma is currently working on her Undergraduate Degree in Digital Marketing at St. Xavier University.

Colleen Suglich,


Colleens holds degrees from Illinois Benedictine College (B.S.1982) and the University of Illinois Med Center (Physical Therapy 1984). She holds numerous additional certifications, including: Rock Tape Practitioner; IASTM Practitioner; Certified Movement Specialist; and Levels 1 + 2 Be Activated Technique. She is also trained in Visual Integration Be Activated Technique, and completed Pilates training for mat and apparatus through Diane Fidler/Terri McCabe at CORE.

Molly Rusnak,


Molly graduated with a Bachelors in Exercise Science (2009) and a Doctorate in Physical Therapy from Saint Louis University (2011). She’s been a licensed Physical Therapist since 2011, working in a variety of settings including; inpatient acute care, inpatient acute rehab, and outpatient orthopedics. Molly completed the CORE Pilates training program and has been working at CORE since 2019. She also works as a PT at Christ Hospital. She has completed 200-hour yoga teacher certification and looks forward to starting Pelvic Floor Rehab – Level 1 Training, so she can join our Women’s Health team!

Mary Pat Reilly,


Mary Pat graduated from Morton College in Cicero, Illinois in 1990 with an Associate in Applied Science Degree and has been working as a licensed Physical Therapist Assistant for over 20 years. During her career she has worked in trauma, acute, subacute, and long-term care settings, inpatient comprehensive rehabilitation, outpatient orthopedic clinics, home health and geriatric rehabilitation settings, and has served as adjunct faculty in the Physical Therapy program at Northern Illinois University. Mary Pat received her certificate of completion in Principles of Pilates for Rehab Professionals taught by Diane Fidler at Rehab Connections, as well as the comprehensive Core in Training program, and Douglas Heel’s Be Activated technique.

Carolyn Taylor,


Carolyn has a Bachelor of Science degree in Physical Therapy from the University of Vermont. With over 20 years of experience, she has enjoyed working with patients of all ages in various settings including rehab, acute care, outpatient orthopedics, and skilled nursing. She has gained extensive experience in geriatric rehab and more recently has worked in home health and school practice with kindergarten-3rd grade children. Carolyn was introduced to the Pilates method through the Rehab Connections course, Principles of Pilates, taught by Diane Fidler. She also completed the intensive Core in Training program for mat and apparatus taught by Terri McCabe. She has a special interest in nutrition and the role of proper nutrition, exercise and other natural approaches in achieving optimal health in aging adults.

Cyndi Vizza,


Missy Brady


Carole Grant


Missy Wright,

Office Staff

Missy is a longtime employee of CORE, who also happens to work for Chicago Public Schools as a SECA. But her first love is her family – 4 children and 5 grandchildren! She graduated from Penn State, loves to read, spin, swim, and spend time with her grandchildren.