Meet Our Physical Therapists
Mike King, PT, DPT, OCS
Owner
Mike King is a native of Phoenix, Arizona. He grew up in Glendale and graduated from Ironwood High School in 1998 where he was a decorated athlete and scholar participating in wrestling, cross-country, and track. He came to appreciate physical therapists when he tore his meniscus and underwent a partial meniscectomy just weeks before the state wrestling tournament his senior year. Physical therapy helped him get back to the activities he loved!
Connor Nickel, PT, DPT
Physical Therapist
Connor is one of our skilled physical therapists at Desert Edge, born and raised right here in the Valley. With a Doctorate in Physical Therapy from Midwestern University and a background in Kinesiology from ASU, he brings a strong passion for helping others—especially in treating vertigo, dizziness, and athletic injuries. Outside the clinic, Connor enjoys time with his family, weight-lifting, exploring nature, and studying the Bible. His mission is to serve others through personalized, compassionate care.
Kayli Kullos, PT, DPT
Physical Therapist, ICE Certified Specialist: Pelvic
Kayli was born and raised in Phoenix, AZ, where she graduated from Liberty High School in 2012. Growing up, she competed in gymnastics, cheerleading, and track and field. Multiple injuries throughout her gymnastics career introduced her to physical therapy at a young age—sparking a lifelong passion for human movement and caring for others. She went on to earn her B.S. in Biomedical Science from Northern Arizona University in 2016 and, staying true to her Lumberjack roots, completed her Doctor of Physical Therapy degree at NAU’s Phoenix Biomedical Campus in 2022.
Spencer Ratkovich, PT, DPT
Physical Therapist
Born and raised in Phoenix, Spencer found his passion for physical therapy through sports and a love for human movement. After earning his bachelor’s in Exercise Science from NAU, he completed his Doctorate of Physical Therapy at Midwestern University in 2024. Spencer is driven to help people of all backgrounds move better, live pain-free, and feel confident in their bodies. Outside the clinic, he enjoys music, Disney adventures, and serving with his wife Amanda at their church.
Cassidy Cooney, PT, DPT
Physical Therapist
Cassidy Cooney was born and raised in Glendale, Arizona. His passion for helping others on their physical journey began during his own experience overcoming pain caused by improper training while pursuing weight loss as a teenager. A lifelong baseball player with a love for resistance training, Cassidy found fulfillment in helping others reach their goals and building lasting relationships through his years working in the exercise field before becoming a physical therapist. Cassidy attended Grand Canyon University, where inspiring mentors deepened his passion for kinesiology and anatomy.
