1. Clinical professor of psychiatry and biobehavioral sciences, School of Medicine, University of California, Los Angeles, CA, and president, Threat Assessment Group, Inc., 537 Newport Center Drive Newport Beach, CA 92660, US.
2. Professor of psychiatry and behavioral sciences, and director of psychiatric residency training, University of Arkansas for Medical Sciences, Little Rock, AR, US.
3. Research scientist, Nathan Kline Institute, clinical instructor, Department of Psychiatry, New York University School of Medicine, and director, Forensic Neuropsychology Laboratory, Kirby Forensic Psychiatric Center, New York, NY, US.
4. Psychologist, Philadelphia Child Guidance Clinic, Philadelphia, PA, US.
5. Research assistant, Institute of Law, Psychiatry, and Public Policy, University of Virginia, Charlottesville, VA, US.
6. Assistant professor of psychiatry, University of Virginia, Charlottesville, VA, US.