Siddharth Mohandas is Principal Deputy Director of the Policy Planning Staff. Prior to coming to the staff, he served at the Department of Defense as Special Assistant to the Under Secretary of Defense for Policy, in which role he advised the Under Secretary on a broad range of national security and defense policy issues. He also served in the Office of Asian and Pacific Security Affairs and the Office of Strategy, Plans, and Forces at the Pentagon. Previously, he served at the State Department as Special Advisor to the Assistant Secretary of State for European and Eurasian Affairs.
Prior to entering government, he was an editor at Foreign Affairs magazine. He has held research fellowships at the Brookings Institution, the Center for a New American Security, and the Olin Institute for Strategic Studies at Harvard University. He has written for multiple publications, including Newsweek, The Christian Science Monitor, and The American Prospect.
He holds a Ph.D. in government from Harvard University, an M.Phil. in international relations from Cambridge University, and an A.B. summa cum laude from Harvard College.