Jang-Joo Kim is a professor in the Department of Materials Science and Engineering of Seoul National University since 2003. After finishing his PhD at Stanford University, he worked for SRI International as a postdoctor, Electronics and Telecommunications Research Institute as a Senior Member and a Principal Member of Technical Staff, and Gwangju Institute of Science and Technology as a professor before joining to SNU. His current research interests include the electrical and optical processes such as charge injection, transport, recombination, the inter- and intramolecular charge transfer processes in the excited and ground states, orientation of molecules in amorphous materials, light in-coupling and out-coupling in organic photonic devices. He authored and co-authored over 300 papers and granted more than 60 patents. He is a member of Korean Academy of Science and Technology (KAST) and is serving as an Editor of Organic Electronics. He received Dukmyuong-KAST Engineering Awards from KAST in 2013 and Excellence in Research Awards from Seoul National University in 2017.