Before joining the Hong Kong Polytechnic University, he was the Professor at the Department of Industrial Design, KAIST, South Korea and the director of the Human-Centered Interaction Design Lab for more than 30 years. He is co-founder and president emeritus of IASDR (International Association of Societies of Design Research). He also served as Chief Design Officer (Executive Vice President) of Corporate Design Center, LG Electronics. He is well known in Asia as an early pioneer in the field of design research, UX design and user-centered design, for which he was recognized as Honorary Fellow of the Design Research Society, and Local Hero at CHI 2015. After returning to KAIST from LG with unique experiences in industry and academia he has been focusing on establishing a new design education paradigm under the name of Design 3.0.