Stay Fit Team

Stay Fit’s expert team consists of Physical Therapists, Licensed Massage Therapists, Certified Personal Trainers, as well as a talented team of office personnel. We are all wholeheartedly dedicated to making your experience at Stay Fit warm and inviting, and we are diligently committed to helping you Get Fit and Stay Fit by enhancing the health of your mind, body, and spirit.  As an added benefit, our team is fluent in English, Spanish, French, Polish, and Arabic.

Diana Sahakian

Founder, Physical Therapist

Diana founded Stay Fit in 2006, inspired by her father, a plastic surgeon.  She pursued a medical career and, in 1999, earned a Master’s Degree in Physical Therapy from Northwestern University Medical School. Diana also has a Master of Science in Counseling that she earned in 1997.

Alex Adams

Physical Therapist

Alex joined our Stay Fit team in July 2014. She earned her Doctorate of Physical Therapy from Southwest Baptist University in Bolivar, Missouri. She believes in helping her patients building a healthy brain and body.


Kelsey Persels

Physical Therapist

Kelsey originally joined the Stayfit team in 2014 before deciding to pursue a career in physical therapy. She is honored to have the opportunity to rejoin the team as a physical therapist after earning her Doctorate of Physical Therapy from Northern Illinois University. 

Lisa Harman

Physical Therapy Assistant, Licensed Massage Therapist

Lisa has been part of the Stay Fit team since 2006.  She has been a licensed massage therapist for 23 years. She also earned her licensure as a physical therapist assistant from Oakton Community College in 2015 as well as becoming a certified personal trainer. Lisa has been performing these additional roles for the last 3 years at Stay Fit. Lisa is passionate about helping people fulfill their personal health and wellness goals through movement and healthy eating. 


Lisa recently got Married and is now Lisa Harman and lives in Glenview with her husband, 2 step daughters and 2 sons. 

Christy Manaois

Physical Therapy Assistant

Christy joined the Stay Fit team in January 2019. She is a licensed physical therapist assistant and graduated from Oakton Community College with an associate in applied science. She also graduated from the University of Illinois in Chicago with a bachelor’s degree in kinesiology. Christy wishes to radiate Christ’s joy and help people reach their wellness goals.

Christy has a chocolate labrador whom she raises with her fiancé. A fun fact is that she has a twin brother. In her free time, she enjoys high intensity workouts, creating makeup tutorials on YouTube, and spending time with her 3 nieces and nephews. 

Sian Nolan

Licensed Massage Therapist & Certified Personal Trainer

Sian is a Licensed Massage Therapist and Certified Personal Trainer.  She received her NCTMB Certification in Massage Therapy in 2007 and joined the Stay Fit Team soon after, in Feb 2008. In 2009, Sian became a Certified Personal Trainer through the American Council on Exercise, allowing her to guide people toward wellness in both an active and passive way.

Stephanie Nyman

Licensed Massage Therapist
Stephanie graduated from the Harper therapeutic massage clinic in 2014, and shortly after received a certification in prenatal massage. She enjoys playing a role in someones overall health and wellness, and believes in a team like approach.

Ina Bakewell

Licensed Massage Therapist

Ina was born and raised in Lithuania and came to the states 20 years ago. She has a degree in Library Science along with a personal training certificate. She has experience both as a physical therapist tech and a personal trainer. In 2014 she graduated from European Massage Therapy School and began working as a licensed massage therapist. 

Ina lives in Evanston with her cat Tommy. In her free time she enjoys swimming in the lake, reading, yoga and spending time in nature. 

Taylor Grassano

Billing & Front Desk Coordinator

Taylor joined Stay fit in May 2014. Taylor is our Billing and Front Desk Coordinator. She serves as our client advocate with resolving insurance issues along with coordinating and working with the front desk to ensure the best customer service.

Certified Personal Trainer/Client Representative 

Sabrina is a graduate from the University of Illinois Urbana-Champaign with a bachelor in Applied Health Science specifically in Kinesiology.  She is a certified personal trainer...

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127 W. Prospect Avenue, Mt Prospect, IL 60056

© 2006 - 2019 Stay FIt Physcal Therapy & Core Wellness, Inc.