Mark Lowenthal (Dr.) - President/CEO of the Intelligence & Security Academy, a national security education/consulting company. He has been the Assistant Director of Central Intelligence for Analysis and Production, Vice Chairman on the National Intelligence Council, staff director of the House Permanent Select Committee on Intelligence (104th Congress), and Deputy Assistant Secretary of State for intelligence. His book, Intelligence: From Secrets to Policy (CQ Press, 4th ed., 2009), is the standard college/graduate school textbook on the subject.