Doctor of Philosophy in Materials Engineering and Science, South Dakota School Mines and Technology, Rapid City, 2004.
Researcher, business project manager Ssang-yong Group, Seoul-Daejeon, 1995—1998. Teacher, research assistant PGM Recovery, Ltd, 2004. Adjunct professor, department materials science and engineering South Dakota School Mines and Technology, 2001—2010.
Director SeoKyeong University, 2007—2010. Associate professor, department materials engineering University Texas El Paso, since 2010. Guest referee Japanese Journal Applied Physics, 2009.
Reviewer Journal Applied Physics, 2009.
Member of Korea Materials and Metal Society, Society Mining Engineering, ICFPE (program director solar printable materials), International Conference Flexible and Printing Electronics (committee member and program chair 2010), Korea Printing Electronics Association (chief committee).