Ho Won Jang is a professor at the Department of Materials Science and Engineering of Seoul National University. He earned his Ph. D. degree from the Department of Materials Science and Engineering of Pohang University of Science and Technology (POSTECH) in 2004. He worked as a research associate at University of Madison-Wisconsin from 2006 to 2009. Before he joined Seoul National University in 2012, he worked in Korea Institute of Science and Technology (KIST) as a senior research scientist. He received Graduate Student Award in 2003 MRS Fall Meeting, Outstanding Poster Award in 2010 MRS Spring Meeting, Young Ceramist Award from Korean Ceramic Society in 2014, and Shinyang Academic Award from the College of Engineering of Seoul National University in 2016. His research interests include material synthesis and device fabrication for solar water splitting cells, chemical sensors, memristors, and metal-insulator transition. He published about 350 publications in international referred journals and the h-index of the publications is 53 (based on Web of Science). He is working as an editor for Electronic Materials Letters and editorial board members for SCIE journals such as Scientific Reports, Current Applied Physics, Applied Sciences, Journal of the Korean Ceramic Society, and Nano Convergence.