Ludwig-Maximilians-University Munich

Professor Emeritus of Marketing, Indiana University

Regents' Professor Emeritus, Georgia Institute of Technology, USA

Professor of Marketing & Toyota Chair of Commerce and Electronic Business, Babson …

Associate Professor, Victoria University of Wellington

WT Dillard Professor Emeritus of Business, Columbia University

Distinguished Professor, Seoul National University

Charles H. Kellstadt Professor of Business, Emory University

Norman Eig Professor of Business, Columbia Business School, Columbia University

Professor at Sejong University