Doctor of Philosophy in Mechanical Engineering, Sungkyunkwan University, Chunchun-Dong, Jangan-Gu, Kyunggi-Do, Sunwon, Republic of Korea, 2007.
Researcher Sungkyunkwan University, 2007—2008. Research director Hanbon Company Ltd., Hwaseong, Republic of Korea, 2008—2010. Adjunct professor Ansan College of Technology, Kyunggi-Do, since 2010.
Corporal Korean Army, 1991-1993.
Married JungJa Choi, May 21, 2000. 1 child Hye-Lin.