Christopher M. Filley, MD, FAAN, FANA is Professor of Neurology and Psychiatry and Director of the Behavioral Neurology Section at the University of Colorado School of Medicine. After graduating from Williams College, he received his medical degree from Johns Hopkins University, trained in Neurology at the University of Colorado, and served a fellowship in Behavioral Neurology at the Boston VA Hospital. He joined the faculty of the University of Colorado in 1984 as the first behavioral neurologist in its history. Pursuing patient care, teaching, and clinical research, Dr. Filley founded the Behavioral Neurology Section in 1991. His research has focused on brain-behavior relationships, founded on the study of major disorders of cognition including the dementias and traumatic brain injury. He has pursued clinical, neuropsychological, neuropathological, neuroradiological, and genetic aspects of the dementias, and participated in many clinical trials for the treatment of Alzheimer’s Disease. His primary interest is in the neurobehavioral aspects of white matter disorders, and he has developed the concept of white matter dementia since introducing the term in 1988. Dr. Filley has been listed for many years in the Best Doctors of America and America’s Top Doctors, and he is the recipient of numerous teaching awards. From 2010 to 2017, he was Neurology Service Chief at the Denver VA Medical Center, and since 2017 he has served as Senior Scientific Advisor at the Marcus Institute for Brain Health. Dr. Filley is the author or co-author of over 160 scientific papers and the author of three books: Neurobehavioral Anatomy, now in its third edition, The Behavioral Neurology of White Matter, now in its second edition, and White Matter Dementia. He is also the senior editor of the textbook Behavioral Neurology & Neuropsychiatry.