Jungki Ryu is an Associate Professor at the Ulsan National Institute of Science and Technology (UNIST), South Korea. He received his B.S. and Ph.D. in Materials Science and Engineering from Yonsei University in 2006 and from the Korea Advanced Institute of Science and Technology (KAIST) in 2011. After postdoc research at the Massachusetts Institute of Technology, he joined the UNIST School of Energy and Chemical Engineering in 2014. His research interests include electrocatalysis for energy conversion, solar fuel production, biomass utilization, and electrochemical waste refinery.