Bachelor of Science, Konkuk University, Seoul, Korea, 1989. Master of Science in Electrical Engineering, University Texas, Austin, 1991. Doctor of Philosophy, University Texas, Austin, 1995.
Special graduate student, University Texas, Austin, 1995—1997.
Postdoctor Massachusetts Institute of Technology, Cambridge, 1997—1999. Professor Seoul National University of Technology, since 1999. Executive director Korean Society Biometricals, 2008—2009.
Director, auditor Modern Cell & Tissue Technology, Seoul, 2000—2004, listed director, since 2005.
Married Youngmee Choi. Children: April, John, Claire.