Russell A. Barkley, PhD, a leading scientific authority on ADHD, is a clinical professor of psychiatry and pediatrics at the Medical University of South Carolina in Charleston. He is a recipient of awards from the American Academy of Pediatrics and the American Psychological Association, among other honors.
Chris Sorensen is a veteran audiobook narrator with over 160 titles to his name. He has received three AudioFile Earphones Awards, and his recording of Sent by Margaret Peterson Haddix was selected as one of the Best Audiobooks of 2010 by AudioFile magazine. He is a member of SAG-AFTRA and the APA.