Jasper Smits, Ph.D. is a licensed clinical psychologist and professor of psychology at the University of Texas at Austin. The main objective of his research program is to improve the treatment of anxiety disorders (e.g., social anxiety disorder, panic disorder, posttraumatic stress disorder) and related problems (e.g., smoking, overeating, physical inactivity). Jasper has published over 150 articles, book chapters, and books. He is a member of the Scientific Council for the Anxiety and Depression Association of America and an Associate Editor for the Journal of Anxiety Disorders, Journal of Consulting and Clinical Psychology and Cognitive Therapy and Research. A former Beck Institute Scholar at the Beck Institute for Cognitive Behavior Therapy, Jasper’s clinical practice focuses on behavioral and cognitive interventions for anxiety disorders, depression and related problems. Jasper frequently gives workshops at national and international meetings and has authored a number of books aiming to assist therapists and individuals in achieving success in behavior change, including Exercise for Mood and Anxiety: Proven strategies for overcoming depression and enhancing well-being, Exercise for Mood and Anxiety Disorders: Therapist Guide, and Exercise for Mood and Anxiety Disorders: Workbook.