Doctor of Philosophy, Vanderbilt University, Nashville, 2001.
Postdoctoral fellow Vanderbilt University, 2001—2003. Assistant professor Hanyang University, Ansan, Republic of Korea, since 2003. Consultant Alley & Associate Inc., Nashville, 2000.
Member of Korean Society Waste Management (associate), Korean Society Civil Engineers (associate), Korean Geo-Environmental Society (associate), Korean Society Water Quality (associate), Korean Society Environmental Engineers (associate).
Married Haewon Lee, May 5, 1997. Children: Leonard Yunku, Seungku.