Michael W. Kirkwood, PhD, ABPP, is Associate Clinical Professor in the Department of Physical Medicine and Rehabilitation at the University of Colorado School of Medicine and codirects the Children's Hospital Colorado Concussion Program in Aurora. Dr. Kirkwood is a board member of the American Academy of Clinical Neuropsychology and has served as President of the Colorado Neuropsychological Society. His research focuses on characterizing and treating the effects of pediatric traumatic brain injury, with a number of current projects focused on understanding persistent problems following concussion. Dr. Kirkwood is the author of more than 25 journal articles and book chapters.

Keith Owen Yeates, PhD, ABPP-CN, is the Ronald and Irene Ward Chair in Pediatric Brain Injury, Professor and Head of the Department of Psychology, and Adjunct Professor of Pediatrics and Clinical Neurosciences at the University of Calgary, Alberta, Canada. His influential research focuses on the outcomes of childhood brain disorders, especially traumatic brain injury (TBI). A recently published bibliometric analysis indicates that Dr. Yeates has authored more of the top 100 most-cited papers in pediatric TBI than any other researcher. Dr. Yeates is the inaugural Chair of the Canadian Concussion Network and is Editor-in-Chief of Neuropsychology. He has served as President of the Society for Clinical Neuropsychology (Division 40 of the American Psychological Association) and the International Neuropsychological Society.

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