Kyoungsik Yu received his B.S. degree from Seoul National University, Korea, in 1999, and the M.S. and Ph.D. degrees in electrical engineering from Stanford University, Stanford, CA, in 2001 and 2004, respectively. Since 2007, he has been a postdoctoral researcher at the department of Electrical Engineering and Computer Sciences at the University of California, Berkeley. His current research interests are on the applications of nano- and micro-photonic devices and techniques for multiscale optical interconnects and sensing. Kyoungsik is the author or coauthor of more than 50 technical publications.