Barry Jonas

Barry Jonas was a prosecutor with the Department of Justice for over 34 years. He spent 19 years as a trial attorney at “Main Justice” in Washington, first prosecuting white collar cases and then, after 9/11, focusing on terrorism cases while with the Counterterrorism Section (CTS) of DOJ’s National Security Division. In 2010, Barry became an Assistant United States Attorney in Chicago, where he was senior counsel to the National Security and Cybercrime Section. Barry retired from the Department of Justice in September 2025 and is now a senior research fellow with the George Washington University Program on Extremism.