Thomas W. Phelan, PhD, is an internationally renowned expert, author, and lecturer on child discipline and Attention Deficit Disorder. A registered PhD clinical psychologist, he appears frequently on radio and television. Dr. Phelan practices and works in the western suburbs of Chicago.
Educated at Juilliard, Paul Costanzo brings the sensitivity and nuance of a classical music background to his twenty-five-plus years of voice acting, and AudioFile magazine has called his narration "superb."