Alexander T. J. Lennon is the editor-in-chief of CSIS's flagship journal, The Washington Quarterly, focusing on global strategic trends and their policy implications. Dr. Lennon is also a research fellow in the international security program at CSIS, where he focuses on the grand strategy and foreign and security policies of the contemporary major powers - particularly the United States, China, India, Europe, and Japan- and on nuclear proliferation prevention strategy. His current research is on the role of democracy promotion in future U.S. strategy, and he has recently completed projects on the national security implications of global climate change and the regional risks of proliferation, especially from Iran and North Korea. He has been an adjunct professor at Georgetown since 2007.

Lennon previously received a Presidential Management Internship (PMI) and served at the U.S. Department of State as the political-military officer principally responsible for bilateral security relations with Israel. He has edited or coedited seven books including, most recently, The Epicenter of Crisis: the New Middle East and Global Powers in the 21st Century: Strategies and Relations (Cambridge, MA: MIT Press, 2008). Lennon earned his Ph.D. at the University of Maryland's School of Public Policy, his M.A. in National Security Studies at Georgetown, and an A.B. cum laude from Harvard, where he was the national intercollegiate policy debate(NDT)champion.