William H. Polonsky, PhD, CDE, is a clinical psychologist in private practice in San Diego. He has published and lectured widely on diabetes burnout and strategies for securing supportive environments for people with diabetes.
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.