Professor Posen is Professor of Political Science at the Massachusetts Institute of Technology's Department of Political Science. Professor Posen's areas of specialization include comparative grand strategy and military doctrine, U.S. national security policy, the assessment of conventional military balances, the control of escalation, and the relationship between nationalism and war.
He has been an International Affairs Fellow with the Rockefeller Foundation and with the Council on Foreign Relations. Professor Posen is the author of The Sources of Military Doctrine, and Inadvertent Escalation, and winner of the APSA 1985 Woodrow Wilson Book Award and the Mershon Center 1984 Edgar S. Furniss Book Award.