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Chaired Professor of Retailing and Customer Management at University of Cologne at -

Mays Business School

Professor and Coleman Chair in Marketing & Director of Research, Center for Retailing Studies at Mays Business School

Columbia Business School

Glaubinger Professor of Business at Columbia Business School

Rady School of Management

Associate Professor of Behavioral Sciences and Marketing at Rady School of Management

Leonard N. Stern School of Business

Professor Emeritus at Leonard N. Stern School of Business

Fisher College of Business

Professor at Fisher College of Business

Stanford Graduate School of Business

Stanford University (ONLINE)

Management Science and Engineering at Stanford Graduate School of Business

Cranfield School of Management

Reader in Information Systems at Cranfield School of Management

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Assistant Professor at University of the Pacific at -

Coach