Dr Daniel Koehler holds a PhD in political science and studied comparative religion, political sciences and economics at Princeton University and Free University Berlin. He works on terrorism (far-right, jihadist and left-wing), radicalisation and deradicalisation processes and programmes.
Dr Koehler founded the first peer reviewed open access journal on deradicalisation (www.journal-derad.com) and the German Institute on Radicalisation and De-Radicalisation Studies (GIRDS) in 2014. In 2016, he was appointed as the first court expert on deradicalisation in the United States of America at the District Court in Minneapolis. In July 2017, Dr Koehler became a member of the Editorial Board of the International Centre for Counter-Terrorism in The Hague and in November 2019 he was appointed as Research Fellow at the Polarisation and Extremism Research and Innovation Lab (PERIL) at the Center for University Excellence (CUE) of the American University in Washington D.C.
His most recent publication is ‘From Traitor to Zealot: Exploring the Phenomenon of Side-Switching in Extremism and Terrorism’, with Cambridge University Press (November 2021).
Dr Koehler’s work can be followed on Twitter via @GIRD_S.