Professor of Security Studies, School of Foreign Service at Georgetown University; former Deputy Assistant Secretary of Defense for the Middle East, 2009 to 2011
President of the National Iranian American Council; author of the book A Single Roll of the Dice - Obama's Diplomacy with Iran (2012, Yale University Press)
Senior Fellow, The Atlantic Council; author of the book "Bitter Friends, Bosom Enemies: Iran, the U.S. and the Twisted Path to Confrontation.” (2007)