1. Professor of Marketing, International Institute for Management Development (IMD), Lausanne, Switzerland and Visiting Assistant Professor of Marketing, J. L. Kellogg Graduate School of Management, Northwestern University.
2. Assistant Professor of Marketing, College of Business and Public Administration, University of Missouri-Columbia.
3. Associate Professor of Marketing, Catholic University of Leuven, Belgium and AGB Professor of International Marketing Research, Wageningen University, the Netherlands.