Dr. John Zarske is a licensed psychologist and board-certified clinical neuropsychologist based in Flagstaff, AZ.   He received his bachelor's degree in psychology from Marquette University and his doctorate from Northern Arizona University, where he completed a two-year postdoctoral residency  at the Institute for Human Development. 

Currently in private practice, Dr. Zarske specializes in clinical and forensic neuropsychology. He previously held positions as a clinical neuropsychologist with the Northern Arizona Healthcare Medical Group - Departments of Primary Care and Neurology, in affiliation with Flagstaff Medical Center, and as an Adjunct Assistant Professor at the University of British Columbia and Northern Arizona University. He is a member of several professional organizations, including the National Academy of Neuropsychology, the National Register of Health Service Psychologists, and the American Psychological Association. He is a Fellow of the College of the American Board of Professional Neuropsychology and a past president of the Arizona Psychological Association.  Dr. Zarske is a past recipient of the Arizona Governor's Award for Excellence for his work with survivors of traumatic brain injury.

Dr. Zarske values the individuality and uniqueness of his patients, and his clinical care is inspired by the effectiveness of behavioral and environmental interventions in helping them cope with cognitive and psychological challenges.