Erik Dahl is assistant professor of national security affairs at the Naval Postgraduate School in Monterey, Calif., where he is on the faculty of both the National Security Affairs Department and the Center for Homeland Defense and Security.  His research focuses on intelligence, terrorism and international and homeland security, and he is the author of the new book “Intelligence and Surprise Attack: Failure and Success from Pearl Harbor to 9/11 and Beyond” (Georgetown University Press 2013).   His work has been published in Studies in Conflict and Terrorism, Intelligence and National Security, Homeland Security Affairs, The Journal of Strategic Studies and The Naval War College Review.  Before joining the NPS faculty in 2008, Dahl was a pre-doctoral fellow at the Belfer Center for Science and International Affairs at Harvard’s Kennedy School of Government.  He received his Ph.D. from The Fletcher School of Tufts University, from which he also received an M.A. in law and diplomacy.  In addition, he holds master’s degrees from the Naval War College and the London School of Economics, and received his bachelor’s degree from Harvard.  Dahl retired from the U.S. Navy in 2002 after serving 21 years as an intelligence officer. Click here for more about his position at the Naval Postgraduate School.