Mark Roth brings more than 12 years of senior healthcare experience and more than 25 years in finance and operations to Encompass Health Valley of the Sun Rehabilitation Hospital. Mark is a Phoenix-area native, but most recently working at inpatient rehabilitation hospitals in the Prescott and Flagstaff areas as CFO and COO and has relocated his family back to the valley. Mark received his bachelor’s degree at Arizona State University and his master’s in business administration from the University of Phoenix.

Dr. Barnes is board certified in Physical Medicine & Rehabilitation Medicine and sub-specialty certified in spinal cord Injury medicine and brain injury medicine. Following graduation from medical school and a family practice internship, he served in the U.S. Navy as an undersea and diving medical officer for four years. He completed his PM&R residency at the Mayo Clinic in Rochester Minnesota and then returned to his native Arizona and has practice PR&R at Valley of the Sun for more than 20 years.

Dr. Barnes is an independent private practice physician.

Brenna began her nursing career with Encompass Health in 2013. She has served in a variety of clinical roles including wound care coordinator and RN manager prior to becoming chief nursing officer of Encompass Health Valley of the Sun in January 2022. She holds a bachelor’s degree in nursing from Chamberlain College of Nursing, is a Certified Rehabilitation Registered Nurse, and is wound care certified.

Danette has been a part of the Encompass Health family since 1994. She worked in various positions with the hospital while completing her bachelor’s degree in human resource management. She received her certification in Professional HR in 2009. The various positions she held within Encompass Health have helped as she recruits for openings and manages all aspects of employee relations. Danette's positive attitude is an effective tool whether she is interviewing potential employees or providing general orientation.

Katy joined Encompass Health in April 2009. She has a bachelor's degree in accounting from the University of Phoenix and is a licensed CPA. Katy has 20 years of accounting experience in various industries including non-profit, transportation and construction. She enjoys working with staff to develop operational efficiencies at Valley of the Sun. This enables the hospital to continue to provide superior patient care and see positive patient outcomes.

Diane joined Encompass Health Valley of the Sun in November 2014 as a rehabilitation liaison then assumed the director of marketing operations position in September 2017. She has more than 20 years’ experience in the health care industry in case management and has extensive background in Arizona long-term care and rehabilitation for individuals who have sustained a traumatic brain injury or stroke. Diane is committed to patient advocacy and assisting patients in returning to the highest level of independence possible.

Liz joined Encompass Health in 1996 and is a certified rehabilitation registered nurse. During her career she has held a variety of clinical and management positions, which have given her the experience to understand and respond to patients’ concerns, which is a key element in the continual effort to improve the rehabilitation experience for each patient.

Rachel received her occupational therapy degree from Boston University and began working for Encompass Health in 2004. She obtained a master’s degree in health professions education from Midwestern University in Glendale, AZ in 2007. Rachel became Neuro Dynamic Therapy Certified in 2004 and has a passion for working with stroke and spinal cord injured patients. She began working with the reducing employee injury/safe patient handling program in 2013 by implementing and sustaining the program at Valley of the Sun as well as teaching at a corporate level. She has a passion for quality and evidence based care.