Lorenzo Vidino is the director of George Washington University (Washington, DC)’s “Program on Extremism” and head of ISPI’s “Radicalization and International Terrorism” Observatory. He is one of the top experts of Islamism in Europe and North America; during the last 15 years his researches have focused on the mobilitation dynamics of jihadist’s networks in the West, on the government politics regarding counter-radicalization and on the activities in the West of organizations inspired by the Muslim Brotherhood. He is author of numerous books and articles; he has been testimony by the United States Council and other parliaments. He advised law enforcement worldwide and taught in a number of European and American universities. In 2016 he has been appointed coordinator of the Study Commission on radicalization and jihadist extremism by the president of the Council of Ministers.