Ronald M. Ruff, PhD, ABPP, practices as a psychotherapist, researcher, and forensic neuropsychologist at San Francisco Clinical Neurosciences and is Clinical Professor in the Department of Psychiatry at the University of California, San Francisco. Previously, he served on the faculty of the University of California, San Diego, and was Director of Neurobehavioral Rehabilitation at St. Mary’s Medical Center in San Francisco. Dr. Ruff is a Fellow of the American Psychological Association, serves on the editorial boards of multiple scientific journals, was a member of the California Board of Clinical Psychology, and is past president of the National Academy of Neuropsychology (NAN). He is a recipient of the Research Award from the North American Brain Injury Society and of the Distinguished Service Award for Outstanding Contribution to the Profession of Clinical Neuropsychology from NAN. His publications include four neuropsychological tests and more than 120 articles and book chapters. Serana K. Chester, PhD, practices as a clinical neuropsychologist and rehabilitation psychologist at San Francisco Clinical Neurosciences. She was awarded the Humanitarian of the Year Award while pursuing her master’s degree at Nova Southeastern University and the Johnson Fellowship while completing her doctoral studies at Palo Alto University. She also received the Phillip M. Rennick Award for best graduate-student submission at the International Neuropsychological Society Conference. She completed her postdoctoral fellowship in neuropsychology with Ronald M. Ruff. Dr. Chester has published papers on mild traumatic brain injury and the diagnosis of neurodegenerative diseases. She serves on the Test Database Committee of the Hispanic Neuropsychological Society.