Formerly was director of human rights for the North Korea Project at Freedom House; has taught at SAIS, Brown University, Yonsei University in Seoul and Sookmyung Women's University in Seoul; was a recipient of Fulbright and Freeman fellowships; conducted research at various think tanks, including the Center for Strategic and International Studies, the Korean Institute of International Studies in Seoul and the Institute for International Relations in Hanoi; Ph.D., international relations, SAIS