Heidi L. Heard, PhD, is a Senior Trainer for Behavioral Tech, which provides advanced training in DBT, and Clinical Instructor at the University of Washington in Seattle. She is the founder and former director of British Isles DBT Training and provides consultation to DBT therapists and teams in North America and Europe. After collaborating with Marsha M. Linehan on the ... Read moreinitial outcome trials for standard DBT and the adaptation for substance abuse and dependence, Dr. Heard has focused her research on the cost-effectiveness of DBT. She has published numerous articles and chapters related to borderline personality disorder and DBT and is coauthor (with Michaela A. Swales) of Dialectical Behaviour Therapy: Distinctive Features. Michaela A. Swales, PhD, is a Consultant Clinical Psychologist with Betsi Cadwaladr University Health Board, the largest health organization in Wales, and Senior Lecturer at the North Wales Clinical Psychology Programme, School of Psychology, Bangor University. She is also Director of British Isles DBT Training. Dr. Swales has trained more than a thousand professionals in DBT, seeding over 350 programs. Her research interests are primarily in the effective implementation of evidence-based psychological therapies in routine clinical practice; she is currently involved in a clinical trial of DBT for treatment-resistant depression. Dr. Swales is a participant in the Working Group on Classification of Personality Disorders that reports to the World Health Organization's International Advisory Group for the revision of the ICD-10 classification of mental and behavioral disorders. Show Less