Donald Meichenbaum, PhD in Clinical Psychology is currently Research Director of Melissa Institute for Violence Prevention, Miami (www.melissainstitute.org). He is one of the founders of cognitive behavior therapy. He was voted one of the most influential psychotherapists of the 20th century. Latest books includeRoadmap to Resilience (www. roadmaptoresilience.com) and Evolution of Cognitive Behavior Therapy: A Personal and Professional Journey.