About the Author

Keith S. Dobson, PhD, is a professor of clinical psychology at the University of Calgary. He has served in various roles there, including past director of clinical psychology and co-leader of the Hotchkiss Brain Institute Depression Research program, and current head of psychology. His research has focused on both cognitive models and mechanisms in depression and the treatment of depression, particularly using cognitive behavioral therapies.Dr. Dobson's research has resulted in more than 150 published articles and chapters, nine books, and numerous conference and workshop presentations in many countries. Recent books include The Prevention of Anxiety and Depression (Dozois & Dobson, 2004), Risk Factors for Depression (Dobson & Dozois, 2008), Evidence-Based Practice of Cognitive–Behavioral Therapy (Dobson & Dobson, 2009) and the Handbook of Cognitive–Behavioral Therapy, 3rd Edition (Dobson, 2010).

In addition to his research in depression, he has written about developments in professional psychology and ethics, and has been actively involved in organized psychology in Canada, including a term as president of the Canadian Psychological Association. He was a member of the University of Calgary Research Ethics Board for many years, and is president of the Academy of Cognitive Therapy, as well as the president of the International Association for Cognitive Psychotherapy. Among other awards, he has been given the Canadian Psychological Association's Award for Distinguished Contributions to the Profession of Psychology.

Pamela A. Hays holds a PhD in clinical psychology from the University of Hawaii, a BA in psychology from New Mexico State University, and a certificate in French from La Sorbonne in Paris, France.

From 1987 through 1988, she served as a National Institute of Mental Health postdoctoral fellow at the University of Rochester School of Medicine. From 1989 through 2000, she worked as core faculty member of the graduate psychology program at Antioch University in Seattle, then in 2000, returned to her hometown community in rural Alaska where she has since worked in community and tribal mental health and private practice. Past research includes work with Tunisian women in North Africa, and Vietnamese, Lao, and Cambodian people in the US. She is author of Creating Well Being: Four Steps to a Happier Healthier Life (APA Life Tools); Addressing Cultural Complexities in Practice: Assessment, Diagnosis, and Therapy (APA); and Connecting Across Cultures: The Helper's Toolkit (SAGE). She is also coeditor with Gayle Iwamasa of Culturally Responsive Cognitive-Behavioral Therapy (APA).

She currently works as a licensed psychologist in private practice in Soldotna, Alaska, and teaches workshops internationally.Amy Wenzel, PhD, ABPP, is owner of Wenzel Consulting, LLC; Clinical Assistant Professor at the University of Pennsylvania, School of Medicine, an Affiliate of the Postpartum Stress Center; and a certified trainer/consultant with the Academy of Cognitive Therapy. She is an internationally recognized expert on cognitive therapy and regularly provides in-person workshops and webinars through her appointments on the speakers' faculties of the Beck Institute for Cognitive Behavior Therapy and Cross-Country Education.

Dr. Wenzel has authored or edited 16 books and approximately 100 journal articles and book chapters on diverse topics such as cognitive processes in psychopathology, perinatal distress, suicide prevention, and interpersonal relationships. Her recent books include Cognitive Behavioral Therapy for Perinatal Distress (Routledge; 2015), Strategic Decision Making in Cognitive Behavioral Therapy (APA; 2013), and Group Cognitive Therapy for Addictions (Guilford; 2012, with B. S. Liese, A. T. Beck, and D. G. Friedman-Wheeler).

Her research has been funded by the American Foundation for Suicide Prevention, the Brain and Behavior Research Foundation (formerly known as the National Alliance for Research on Schizophrenia and Depression), and the National Institute of Mental Health. She is certified by the American Board of Professional Psychology in the specialty area of Cognitive and Behavioral Psychology, and she has held leadership positions in the Association for Behavioral and Cognitive Therapiesvioral and Cognitive Therapies.