Caleb is a multimedia journalist, covering the intersection of conflict, security, and technology with a focus on American foreign policy, European security, and German society.

His work has appeared in the Associated Press, The New York Sun, Deutsche Welle, The National Interest, 104.1 FM KCRW Berlin, Exberliner, Russian International Affairs Council, The Jerusalem Post, Bundeszentrale für Politische Bildung, Real Clear Defense, and the Congressional Research Service.

He holds a Master of Public Policy degree from the Willy Brandt School of Public Policy, with a Conflict Studies specialization.