Bill Nordling, Ph.D. is a licensed clinical psychologist who serves as the Chair of the Department of Psychology and full Professor at the Institute for the Psychological Sciences – a doctoral level degree training program in psychology in Arlington, Virginia (USA) –where he teaches coursework in Child-Centered play therapy (CCPT) and Filial family therapy. For the past 20 years, he has also served as the Director of Certification Programs in CCPT and Filial therapy at the National Institute of Relationship Enhancement - a training institute founded by Drs. Bernard and Louise Guerney. Dr. Nordling is a Registered Play Therapist-Supervisor through the Association for Play Therapy (USA). He was a founding Board member of the Maryland Association for Play Therapy and also served on the Board of Directors of the national-level Association of Play Therapy (USA) for six years, and was its President for 2010. Dr. Nordling has conducted over 150 multi-day training workshops throughout the U.S. and internationally in the areas of play and Filial therapy. He has authored a number of publications in these areas including the book 'Child-Centered Play Therapy: A Practical Guide to Developing Therapeutic Relationships with Children' (co-authored with Nancy and Jeff Cochran). Dr. Nordling specializes in distance supervision, case consultation, and mentoring of clinicians at all levels of development in order to bring excellence to their practice of play and Filial therapy, and more generally to develop their abilities to engage in case conceptualization, treatment planning and use of multiple levels of intervention (e.g. individual child, parent, couple, school) to address child and family problems.