Alexander L. Chapman, PhD, has published numerous articles and chapters on dialectical behavior therapy (DBT). In 2007, Chapman received a Young Investigator's Award from the National Education Alliance for Borderline Personality Disorder. Kim L. Gratz, PhD has written numerous journal articles and book chapters on borderline personality disorder, deliberate self-harm, and emotion regulation, and is coauthor of The Borderline Personality Disorder Survival Guide and Freedom from Self-Harm. Matthew T. Tull, PhD he has published numerous articles and chapters on emotion regulation and anxiety disorders, with a particular emphasis on panic disorder, generalized anxiety disorder, and post-traumatic stress disorder. Alexander Chapman lives in Port Moody, BC, Canada. Kim Gratz and Matthew Tull live in Jackson, MS.