Leslie Sokol, PhD , a licensed psychologist, is an internationally recognized leader in the field of cognitive behavioral therapy with almost 40 years of experience in practice, teaching, and research. She was a past Director of Education and one of the principal instructors at the internationally acclaimed Beck Institute for Cognitive Behavior Therapy. She is one of the leading CBT speakers in the world providing teaching and training to professional and paraprofessional groups, both nationally and internationally, on a multitude of CBT topics.