Samuel Justin Sinclair, Ph.D., is an Assistant Professor of Psychology at Harvard Medical School, and The Director of Research at the Psychological Evaluation and Research Laboratory (The PEaRL) at the Massachusetts General Hospital. He is Founder and Past-President of the Society for Terrorism Research, and Founder and Co-Editor-in-Chief of the peer-refereed journal, Behavioral Sciences of Terrorism and Political Aggression. He has co-authored and co-edited a number of academic volumes, and has published numerous journal articles in the areas of psychological assessment, psychometrics, violence and aggression, and terrorism.
Daniel Antonius, Ph.D., is Assistant Professor and Director of Forensic Research in the Department of Psychiatry at University at Buffalo School of Medicine and Biomedical Sciences. He has published numerous journal articles, book chapters, and books on aggression, violence, forensic psychology, and terrorism. He is the Co-Editor of the peer-refereed journal Behavioral Sciences of Terrorism and Political Aggression.