Knobbe is a reporter for the German weekly magazine Stern, writing features about social and political topics in Germany. He focuses on security policy, terrorism and criminal issues. One of his most recent research stories was about young, radical, Islamic converts in Germany. He is co-author of a book published in 2007 entitled Terrorjahr 1977: Die Geschichte der Roten Armee Fraktion (1977 The Year of Terrorism - The History Of The Red Army Faction). He received a master of arts in history, political science and economic history from the Ludwig-Maximilians-Universität in Munich. Knobbe will be in residence at CES as a Bucerius Fellow from the beginning of February through June 2009.