Sarah Greenhagen, PT, DPT, GCS 

is a board-certified geriatric Physical Therapist who specializes in the process of aging. She is committed to bringing health and wellness to the masses, most notably through her creation of the WellBatavia Expo and her involvement on the Academy of Prevention and Health Promotion Therapies with the Healthy Aging Initiative.

She has developed successful Balance and Strength programs to reduce falling and specializes in treating Osteoporosis, Arthritis Pain, Diabetes, High Blood Pressure and Difficulty Walking.  She uses a multi-factorial approach to build a comprehensive picture of heath, providing effective movement, nutrition, and sleep solutions. She prioritizes listening to your dreams and concerns, and finding unique solutions to every problem at hand.



Jason Robinson, PT, SCS, CF-L1

is a board-certified Sports Physical Therapist, a strength coach, and a functional movement expert. He has an extensive background in collegiate and pro sports serving as team PT for Northern Illinois University’s baseball, softball and volleyball athletes. He also participates in a Healthy Childhood initiative meant to establish standards of practice for school aged children.

He applies his athletic approach to a wide variety of patient types to help them move robustly throughout all stages of life and collaborates with other healthcare and fitness professionals to facilitate health and wellness transformation through a more holistic model.


Amberlyn Vaughan, PT, DPT, CCS

Amberlyn Vaughan is a board-certified Cardiovascular and Pulmonary Specialist with a doctorate of PT. Amberlyn Worked in outpatient orthopedic, geriatric and workers compensation for 5 years. She later spent one year at the VA in Ann Arbor, Michigan, as a cardiopulmonary resident, moving into a faculty and mentoring position for incoming residences for the cardiopulmonary program. Her extensive cardio-pulmonary experience includes running the outpatient cardiac rehab and pulmonary rehab programs and home health cardiac rehab program at the VA. Most recently, Amberlyn was adjunct faculty for NIU PT program and guest lecturer for  Beaumont Cardiopulmonary Symposium for 2016 and 2017.

Additional staff and services:

Catalyst believes in helping the ‘next generation’ of health professionals get the experience they need.  You will, from time to time, see interns and other non-professionals attending sessions to further their education.

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Beth Kolar, CPT, CSFC and Owner of Center-Fit, LLC is training Catalyst Graduates as well as community members (personal and small groups) on site.  All trainings focus on participants’ specific need.  Group sizes are always 2-5 max to ensure a focus on individual goals and needs. Beth has extensive experience in programming, functional movement patterns, group fitness, personal training, kettlebell and all levels of weight training. Beth is currently waiting for her Massage license to arrive! Watch here for availability, once it comes. ;)

Call 630-708-8706 to book an appointment or ask questions.


Joe Palasiewicz, SPT

Is a 3rd year physical therapy student at Northern Illinois University. Joe, a native of Somonauk, graduated in 2013 and then attended Benedictine University where he pitched for four years and received his Bachelor of Science in Physics. Joe has toured different parts of the country learning from some of the greatest minds in the field of baseball performance. He has had the opportunity to see first hand the processes implemented at the American Sports Medicine Institute as well as at Driveline Baseball. 

Joe integrates his knowledge of the physical sciences with his knowledge of the human body to optimize sports specific performance. He believes thoroughly in building the athlete from the ground up so that they are mentally, emotionally, and physically prepared to handle the stresses of athletics at all levels.  


Physical therapy students currently at Catalyst for their clinical experience.
Catalyst believes strongly in being a educational facility. Not only educating future therapists, but our clients and community as well. Please welcome students when you see them! Check back here to see their bios!