Leadership Team

Headshot of Dr. Aaron Willson

Dr. Aaron Wilson - Medical Director

Dr. Wilson brings extensive clinical and leadership experience to Cornerstone Behavioral Health El Dorado. Dr. Wilson, who has held key leadership positions in the behavioral health space in the Tucson community, most recently served as Medical Officer at Sierra Tucson and Sonora Behavioral Health Hospital in Tucson. Prior to that role, Dr. Wilson utilized his innovative expertise as Medical Director of Archways Recovery Centers in Mesa, Arizona, and as the Chief Medical Officer at Valley Hospital in Phoenix, Arizona. In addition to his role at Cornerstone, Dr. Wilson serves as Chief Medical Officer at Cottonwood Tucson and Sabino Recovery. Dr. Wilson also shares his wealth of knowledge at Sonora Behavioral Health Hospital in Tucson as Medical Director of Voluntary Adult Services. Dr. Wilson received his Medical Doctorate from Tulane University School of Medicine in New Orleans, Louisiana. At Tulane University, Dr. Wilson served as Chief Resident in the Department of Psychiatry and Behavioral Sciences. Dr. Wilson is a Diplomate of the American Board of Psychiatry and Neurology and is actively involved in numerous professional societies. Dr. Wilson continues to be a leader in the field of behavioral health and shares his expertise with students in academic centers throughout the community.

Allana Lloyd-Hills, RPh - Pharmacy Director

Allana Lloyd-Hills, RPh joined Cornerstone Behavioral in July 2018 obtaining her pharmacy degree from the University of Maryland. Allana worked for two plus years within a Behavioral Health Clinic in Tucson as the Clinical Pharmacy Manager where she acted as the liaison between patients and providers. She has also worked as a clinical pharmacist in long-term care, as well as the Pharmacy Director at the Cornerstone Long-Term Acute Care Hospital in Tucson. She is currently studying for Board Certification in Psychiatric Pharmacy (BCPP) in early 2019.