Prof. Yabing Qi is Unit Director of Energy Materials and Surface Sciences Unit at Okinawa Institute of Science and Technology Graduate University. Prior to his current appointment, Prof. Qi was a postdoctoral fellow at Princeton University. He received his B.S., M.Phil., and Ph.D. from Nanjing University, Hong Kong University of Science and Technology, and University of California Berkeley, respectively. His research interests include perovskite solar cells, organic electronics, surface sciences, advanced material characterization, energy materials and devices. Prof. Qi has published 80+ peer-refereed papers and is the inventor for 11 patents/patent applications. He has delivered 60+ keynote and invited research presentations at international conferences, technical meetings and universities.