He received a B.S. and an M.S. in Industrial Design from KAIST, and a PhD from the Department of Design, Brunel University. He leads Co.design:Inter.action Design Research Laboratory at KAIST. He worked as an executive director of Korea Society of Design Science. He was a program committee member and a special session chair for the IASDR 2009, 3rd World Conference on Design Research. As a researcher and practitioner, he is interested in generating and integrating design knowledge for practice and education. His main research areas are collaborative design, interaction design and advanced prototyping for interactive products and systems.