He currently serves on the editorial boards of the journals International Journal of Cognitive Therapy and Journal of Anxiety Disorders. He has published more than 60 journal articles and book chapters and has participated in several conference presentations. As director of the Emotion and Anxiety Research Laboratory at Vanderbilt University, he is currently examining the role of basic emotions as they relate to the assessment, etiology, and maintenance of anxiety-related disorders. His research has been funded by the National Institutes of Health and the Anxiety Disorders Association of America. His research on the role of disgust in anxiety disorders has also been recognized by the American Psychological Association.