Prof. Jong Hyeok Park is a full professor at the Department of Chemical and Biomolecular Engineering at Yonsei University, Republic of Korea. He received his PhD in chemical engineering from KAIST, Korea, in August 2004. Then, he joined University of Texas at Austin, USA, as a postdoctoral researcher in 2004 (under Prof. Allen J. Bard). Since 2008, he had been an associate professor in Sungkyunkwan University (SKKU), Korea, until 2014. He is an author and a co-author of 260 papers and 80 patents. These publications have earned him to date over 10,000 citations with H-index 50. Prof. Park is the associate editor of Optical Materials Express. More information can be found from his homepage https://sites.google.com/site/enconsto/home.