Menu Close
Distinguished University Professor of Psychology, Georgia State University

John Horgan is Distinguished University Professor at Georgia State University’s Department of Psychology where he also directs the Violent Extremism Research Group (VERG). His work is widely published, with books including The Psychology of Terrorism (now in its second edition and published in over a dozen languages worldwide), Divided We Stand: The Strategy and Psychology of Ireland’s Dissident Terrorists; Walking Away from Terrorism, Leaving Terrorism Behind, and Terrorism Studies: A Reader. He is an Editor of the journal Terrorism and Political Violence, Consulting Editor of American Psychologist, Consulting Editor of Psychology of Violence, and serves on the Editorial Boards of several additional publications. He is a member of the Research Working Group of the FBI’s National Center for the Analysis of Violent Crime. He has held positions at the University of Massachusetts (Lowell), Penn State, University of St. Andrews, and University College, Cork. His research has been featured in such venues as The New York Times, Foreign Affairs, CNN, PBS, NPR, Vice News, Rolling Stone Magazine, TIME, Nature, Scientific American and the Chronicle of Higher Education. Horgan’s latest book, Terrorist Minds, is forthcoming from Columbia University Press.


  • –present
    Professor of Security Studies at the School of Criminology and Justice Studies and Director of the Center for Terrorism & Security Studies , University of Massachusetts Lowell