**About the Editor**

**Ju-Hyung Kim** received B.S. and M.S. degrees in chemical and biological engineering from Seoul National University (Korea) in 2007, and a Ph.D. degree in advanced materials science from the University of Tokyo (Japan) in 2012, working on organic semiconductors and organic/metal interfaces. From 2009 to 2012, he was an IPA Research Fellow of RIKEN (Japan). He also performed postdoctoral work at the Center for Organic Photonics and Electronics Research (OPERA), Kyushu University (Japan). From 2014 to 2016, he worked as an Assistant Professor at Pukyong National University (Korea). Since 2016, he has been working at Ajou University (Korea) as an Associate Professor. His research interests include surface engineering and analysis of organic thin films, organic electronic and optoelectronic applications, and unconventional lithography methodology.
