Dr. Naglieri is Research Professor at the Curry School of Education at the University of Virginia, Senior Research Scientist at the Devereux Center for Resilient Children, and Emeritus Professor of Psychology at George Mason University. He holds a Diplomate in Assessment Psychology, earned his license as a School Psychologist in Virginia and Ohio, and holds School Psychology certifications in New York, Georgia, Arizona, and Ohio.

Since the late 1970s, Dr. Naglieri has focused his efforts on theoretical and psychometric issues concerning intelligence, cognitive interventions, diagnosis of learning and emotional disorders, and theoretical and measurement issues pertaining to executive function and resilience. Dr. Naglieri is the author or co-author of more than 300 scholarly papers, book chapters, books, and tests related to exceptionalities such as mental retardation, specific learning disabilities, giftedness, autism, and Attention Deficit Disorder. Dr. Naglieri developed more than 30 tests and rating scales, including the Cognitive Assessment System first and second editions (1997, 2014), the Naglieri Nonverbal Ability Test-Second Edition (2008), and the Wechsler Nonverbal Scale of Ability (2006).