Lee Sun-tae was born in August 1964 in North Chungcheong Province, South Korea. He is currently engaged in democratic civic education at the Democratic Citizens' Education Center of the Korea Democracy Foundation. I graduated from Seoul National University with a major in sociology. While attending university, I actively participated in student movement and spent two years in prison. Since then, Christian Institute for the Justice and Development(CISJD) has participated in various civic and social movements in research, lectures, and international solidarity areas. Currently, he is interested in solving political and social conflicts such as the history of the Korean democratization movement and the confrontation between the camps