He received B.S. and M.S. degrees in computer science from Yonsei University in 1995 and 1997, respectively, and Ph.D. degree in information and computer science at the University of California at Irvine in 2008. Prior to joining Yonsei, he has experienced industries as software engineers at LG electronics, Inc. in Seoul from 1997 to 2003 and Digital Spectrum Solutions in Irvine, CA from 2009 to 2011. His research is in the area of embedded systems, with a specific focus on cross-layer design and optimization for error-aware and energy-efficient embedded systems. He has published several papers in DAC, DATE, ICCAD, ESWEEK, and ACM Multimedia.