Dr. John Zarske is a licensed psychologist and board-certified clinical neuropsychologist in private practice in Flagstaff, AZ.  Previously, he worked as a clinical neuropsychologist with the Northern Arizona Healthcare Medical Group, in association with the Flagstaff Medical Center and held adjunct assistant professor appointments at the University of British Columbia and Northern Arizona University. He is a past president of the Arizona Psychological Association and a Fellow of the College of the American Board of Professional Neuropsychology.

Dr. Zarske specializes in evaluating patients with brain injury, neurological disorders, dementia, and neurodevelopmental conditions. He  is a life status member of  the American Psychological Association- Society of Clinical Neuropsychology among other professional organizations. He earned his undergraduate degree in psychology from Marquette University and his doctorate in educational psychology from Northern Arizona University.

Recognized by the Arizona Governor's Council on Head and Spinal Injuries with the  Governor's Award for Excellence, Dr. Zarske values the individuality of his patients and strives to provide effective recommendations to  help them manage cognitive and psychological challenges.