John Gottman, PhD, was one of the Top 10 Most Influential Therapists of the past quarter-century by the Psychotherapy Networker. Dr. Gottman is a professor emeritus in psychology known for his work on marital stability and relationship analysis through scientific direct observations, many of which were published in peer-reviewed literature. He is the author or co-author of over 200 published academic articles and more than 40 books, including the bestselling The Seven Principles for Making Marriage Work; What Makes Love Last; The Relationship Cure; Why Marriages Succeed or Fail; and Raising An Emotionally Intelligent Child, among many others.

• Profile at The Gottman Institute

Donald Meichenbaum, Ph.D in Clinical Psychology is currently Research Director of Melissa Institute for Violence Prevention, Miami (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 include "Roadmap to Resilience" (www.roadmaptoresilience.com) and "Evolution of Cognitive Behavior Therapy: A Personal and Professional Journey."

Mary Pipher, PhD. Psychologist living in Lincoln, Nebraska, and the author of eight books, including the New York Times bestsellers Reviving Ophelia, The Shelter of Each Other, and Another Country, as well as Writing to Change the World. Her work has been translated into more than 25 languages, and she has lectured to groups and conferences worldwide

• Site at Mary Pipher.com