Charles K. Armstrong is The Korea Foundation Professor of Korean Studies in the Social Sciences at Columbia University. His research involves modern East Asian political and social history, Korean history, U.S.-East Asian relations, and international and global history. Professor Armstrong’s latest book is Tyranny of the Weak: North Korea and the World, 1950 – 1992 (Cornell University Press, 2013). The second edition of his book The Koreas (Routledge, 2007) was published in early 2014. He is also writing the Modern East Asia volume for the Wiley-Blackwell series Concise History of the Modern World, to be published in 2015. Professor Armstrong was the Director of the Center for Korean Research from 2001 to 2003 and from 2006 to 2013. He is currently working on two major research projects: trans-Pacific Cold War culture and US-East Asian relations; and the environmental history of northern Korea and Northeast China. Professor Armstrong’s other books include The Koreas (Routledge, 2007); Puk Chosôn Tansaeng, the Korean translation of The North Korean Revolution, 1945–1950 (Seoul: Booksea, 2006; originally Cornell University Press, 2003); Korea at the Center: Dynamics of Regionalism in Northeast Asia (M. E. Sharpe, 2006, coeditor); and Korean Society: Civil Society, Democracy, and the State (Routledge, 2002, editor; second edition, 2006). Professor Armstrong teaches courses on Korean History, World History, Socialist and Post-Socialist Cities of Eurasia, the Vietnam War, and Approaches to International and Global History. He is a frequent commentator in the U.S. and foreign mass media on contemporary Korean, East Asian, and Asian-American affairs. Professor Armstrong received his BA from Yale, MA from the London School of Economics, and PhD from the University of Chicago. He joined the Columbia faculty in 1996.