Dr Nathaniel Herr is an associate professor of psychology at American University in Washington, DC. He specializes in the causes and effects of interpersonal dysfunction and emotional regulation difficulties, as well as identity disturbance in Borderline Personality Disorder. A licensed clinical psychologist, Dr Herr currently practices in the Department of Psychiatry and Behavioral Sciences at Duke University Medical Center. He is an adept researcher with numerous publications in peer-reviewed journals.