William J. Taylor, Jr., is vice-president for public policy programs at CSIS. A retired U.S. army cojonel, Taylor is the author or editor of numerous books and articles on U.S. defense policy, including many on ROK-U.S. security relations. Taylor is a member of the Council on Foreign Relations. Young Koo Cha, chief researcher and director, Office of Research Cooperation at KIDA, is a graduate of the Korea Military Academy and holds a Ph.D. from the University of Paris. Cha is an adviser to the National Unification Board and a former visiting fellow at CSIS. John Q. Blodgett is a fellow in international security studies at CSIS. A career foreign service officer, he specialized in economic and political affairs at nine overseas posts in Europe, Asia, and Africa over thirty-two years. Michael Mazarr is a fellow in political-military studies. His research centers on U.S. nuclear and conventional policies, U.S.-South Korean security relations, and Cuba. He holds an M.A. from Georgetown University.