Jack A. Naglieri, PHD, is Professor of Psychology at George Mason University. He has authored or coauthored more than 250 scholarly papers, chapters, tests, and books including Essentials of CAS Assessment and Essentials of WNV Assessment, both published by Wiley. He is the Senior Editor of the Journal of Attention Disorders.

Sam Goldstein, PHD, is a member of the faculty at the University of Utah, maintains a private practice at the Neurology, Learning, and Behavior Center in Salt Lake City, Utah, and is on staff at the University Neuropsychiatric Institute. He has written twenty-six books and is Editor in Chief of the Journal of Attention Disorders.

Jointly Drs. Naglieri and Goldstein are developing several new assessment instruments and books, and are coeditors of the Encyclopedia of Child Behavior and Development.