Dr. Dae Ryun Chang Chang is Professor of Marketing at Yonsei University, Seoul, Korea. He is also the Executive Director of the Center on Global Brand Leadership at Yonsei University. He received his Doctorate in Business from Harvard University, and his M.B.A. from Columbia University. He has held visiting teaching positions at the Helsinki School of Economics and Business, Australian National University, Hong Kong University of Science and Technology, and Singapore Management University. He has published numerous journal articles in outlets such as the Journal of Marketing, Management Science, and Decision Sciences.