Ruella Frank, Ph.D., is founder and director of the Center for Somatic Studies, and faculty at Gestalt Associates for Psychotherapy and the New York Institute for Gestalt Therapy. She teaches throughout the United States, Europe, and Mexico and is the author of articles and chapters in various publications, as well as Body of Awareness: A Somatic and Developmental Approach to Psychotherapy (Gestalt Press, 2001), available in four languages.

Frances La Barre, Ph.D., is a licensed psychologist-psychoanalyst in private practice in New York City, where she works with individual adults, children, and couples. She is Adjunct Professor and co-Director of the Parent-Infant/Toddler Research Nursery at Pace University, and a supervisor and faculty member at the Psychoanalytic Psychotherapy Study Center and the Institute for Contemporay Psychotherapy. She lectures and teaches both in the United States and Europe. Her book, On Moving and Being Moved: Nonverbal Behavior in Clinical Practice (Analytic Press, 2001), and articles are known for her unique application of movement studies to psychotherapy.