Derek Hopko, Ph.D., completed his doctoral work in the Department of Psychology at West Virginia University. He completed his pre-doctoral internship and post-doctoral fellowship at the University of Texas Medical School in Houston. Dr. Hopko's dissertation focused on the impact of anxiety and panic on academic performance. Dr. Hopko specializes in the assessment and treatment of anxiety, depressive, and substance use disorders, and has published many articles, chapters, and books on these topics. He is the co-developer of the Brief Behavioral Activation Treatment for Depression (BATD). Along with his research, Dr. Hopko has taught both undergraduate and graduate courses in abnormal psychology, psychological assessment, and psychotherapy. Following the completion of his Doctor of Philosophy (Ph.D.) in clinical psychology, Dr. Hopko held a faculty appointment in the Department of Psychology at the University of Tennessee from 2000-2016. He also maintained a private clinical practice and conducted psychological assessments for the state of Tennessee until 2018. He now serves as a counselor in the Department of Counseling Services at Ross University School of Medicine.