Geoffrey Hartman is a fellow with the Southeast Asia Program at the Center for Strategic & International Studies (CSIS). Before joining CSIS, he served as a foreign affairs specialist in the Office of Asian and Pacific Security Affairs within the Office of the Secretary of Defense, where he provided policy advice and regional expertise to senior defense officials shaping U.S. defense policy in Southeast Asia. Prior to working in the Pentagon, Mr. Hartman was an analyst with the U.S. government, where he supported U.S. policymakers and military commanders with research, briefings, and written assessments on Asian security issues. He received an M.I.A. from Columbia University’s School of International and Public Affairs and a B.A. from the University of Nebraska at Lincoln.