Su-Mi Lee is Associate Professor of Political Science at the University of Hawai'i Hilo. She is the author of Good Mediator: Relational Characteristics of Effective Mediators. Terence Roehrig is Professor of National Security Affairs at the United States Naval War College. His books include Japan, South Korea, and the United States Nuclear Umbrella: Deterrence After the Cold War and The Evolution of the South Korea-United States Alliance (coauthored with Uk Heo).