Harvard Business School

Leonard D. Schaeffer Professor of Health Care Policy at Harvard Business School

Harvard Business School

Martin Marshall Professor of Business Administration at Harvard Business School

Cornell CALS

Distinguished Professor at Cornell CALS

Yale School of Management

Macklin Fleming Professor of Law & Professor of Psychology at Yale School of Management

Columbia Business School

School of International and Public Affairs

Henry Kaufman Professor of Financial Institutions at Columbia Business School

Henry Kaufman Professor of Financial Institutions in the Faculty of Business at School of International and Public Affairs

The Wharton School

Professor at The Wharton School

National University of Singapore

Professor of Management at Asia School of Business and Leuphana, University of Lueneburg / Visiting Prof at NUS Business School at National University of Singapore

The Wharton School

The Lauder Professor Emeritus of Marketing at The Wharton School