Brian S. Callsen is a CIA officer who has covered a number of high-priority areas and worked on the DNI staff as a PDB briefer for DCIA. As an analyst, he produced assessments on East Asia. As a manager, his teams assessed political and leadership trends in East Asia and South Asia, as well as domestic, economic, and leadership trajectories of the Gulf Region. Mr. Callsen served as a course director in the CIA's training program for new analysts, and he worked on the front office staff of a Mission Center and a component of the Directorate of Operations. Prior to joining the CIA., Mr. Callsen served as an intelligence officer in the US Air Force; he was stationed in Japan and Germany and deployed to Italy, Saudi Arabia, Turkey, and Afghanistan.