Choi, Kyu Reon Professor Korea University, Ph.D Family Science Choi, Young Hee Associate Professor Sookmyung Women's University, Ph.D Child Development   Cheon, Hye Jung Visiting Professor University of Minnesota, Ph.D Family Life Education Hur, Young Rim Adjunct Professor Columbia University, Ph.D Early Childhood Education   Kang, Young Sook Adjunct Professor Soongsil University Social Work   Hyojin Kang Assistant Professor Cornell University, Ph.D Social Welfare Policy