Jon G. Allen, Ph.D., is a Clinical Professor in the Menninger Department of Psychiatry and Behavioral Sciences on the Voluntary Faculty at the Baylor College of Medicine in Houston, Texas. He is an honorary member of the faculty at the Center for Psychoanalytic Studies in Houston and an adjunct faculty member of the Institute for Spirituality and Health at the Texas Medical Center. He is past editor of the Bulletin of the Menninger Clinic and a member of the editorial board of Psychiatry: Interpersonal and Biological Processes. With extensive experience in inpatient care, serious mental illness, and treatment evaluation, he has authored and coauthored numerous professional articles, book chapters, and books on trauma-related problems and psychotherapy.