Dave VerhaagenDave Verhaagen is an author of eight previous books and nine book chapters. He is a licensed and nationally board-certified psychologist who earned his PhD from the University of North Carolina-Chapel Hill. Before he cofounded one of the largest psycology practices in the country, he served as the clinical director for three mental health agencies. His numerous faculty appointments include a current appointment as Adjunct Assistant Professor of Psychology at Vanderbilt University. Read More Read Less