Choong-Heui Chung is currently an associate professor in Materials Science and Engineering, Hanbat National University. Previously, he was a researcher at SK Hynix, and a senior researcher at the Electronics and Telecommunications Research Institute. He received B.S. and M.S. degrees in Materials Science and Engineering from Seoul National University, and Ph.D. degree in Materials Science and Engineering from University of California, Los Angeles. His research interests include transparent conducting materials, solar cells and transistors.