Central European University

Associate Professor at Central European University

Columbia Business School

Dean at Columbia Business School

Harvard Business School

Harold M. Brierley Professor of Business AdministrationDirector of Research at Harvard Business School

Stephen M. Ross School of Business

Dwight F. Benton Professor of Marketing at Stephen M. Ross School of Business

Yale School of Management

Professor in the Practice Emeritus of Finance at Yale School of Management

Sloan School of Management

Professor of Operations Research at Sloan School of Management

Leonard N. Stern School of Business

Professor of Marketing at Leonard N. Stern School of Business

Syracuse University

Distinguished Professor Emeritus, Geography at Syracuse University

Darden School of Business

Leslie E. Grayson Professor of Business Administration at Darden School of Business

eCornell

Professor at eCornell