Dr. Gary M. Shiffman is an adjunct professor at Georgetown University’s Security Studies Program in the School of Foreign Service, and he is Senior Fellow at the Center for Peace and Security Studies. His teaching focuses on the application of economic analysis to national security and homeland security issues. His book, Economic Instruments of Security Policy: Influencing the Choices of Leaders was published in 2006 by Palgrave Macmillan. Dr. Shiffman also serves as Senior Vice President for Global Security at L-3 Communications Services Group. He focuses his work on homeland security, counter-insurgency, and intelligence issues. Dr. Shiffman served at DHS from 2004 until 2006 as Chief of Staff at U.S. Customs and Border Protection. While at DHS, Dr. Shiffman also helped to re-engineer the border enforcement process while serving as co-chair of the Secure Border Initiative Working Group, and helped develop the framework for risk management.