John Horgan is Distinguished University Professor at Georgia State University’s Department of Psychology where he directs the Violent Extremism Research Group (VERG). His research examines terrorist psychology and how behavioral science can inform upstream prevention of violent extremism. He has over 120 publications, with 11 books including The Psychology of Terrorism (now in its second edition and published in a dozen languages), Divided We Stand: The Strategy and Psychology of Ireland’s Dissident Terrorists; and Walking Away from Terrorism. His latest book, Terrorist Minds: The Psychology of Violent Extremism from al Qaeda to the Far Right was published by Columbia University Press in 2023. He is Editor-in-Chief of the journal Terrorism and Political Violence and serves on the Editorial Boards of several additional publications. 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, Rolling Stone Magazine, Nature, Scientific American, and the Chronicle of Higher Education. His next book, The Recruiters: How Terrorist Groups Find the Right Stuff for the Wrong Reasons, will be published by Cambridge University Press.

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