Master of Business Administration, George Washington University, District of Columbia, 1995. Doctor of Philosophy, George Washington University, District of Columbia, 2001.
Assistant research professor Duke University Medical School, Durham, North Carolina, 2002—2005. Assistant professor Ajou University, Suwon, Republic of Korea, since 2005. Private Korean Army, 1988, Korea.
Member of Korean Operations Research and Management Science Society, Phi Beta Delta, Beta Gamma Sigma.
Married Sukyung Hwang, August 14, 1994. Children: Sarah Jooyun, Sihoon.