Boston University

Morton H. and Charlotte Friedman Professor; Professor of Finance at Boston University

Tuck School of Business at Dartmouth

Columbia Business School

George E. Warren Professor of Business at Columbia Business School

Distinguished Visiting Scholar at Tuck School of Business at Dartmouth

American University School of Public Affairs

Professor Emeritus at American University School of Public Affairs

Eller Executive Education

Luskin School of Public Affairs

Professor of Public Policy, Political Science, and Law at Luskin School of Public Affairs

Lecturer at Eller Executive Education

The Wharton School

Universal Furniture Professor at The Wharton School

CBS Executive

, at CBS Executive

Haas School of Business

Professor Emeritus at Haas School of Business

Fisher College of Business

Helen C. Kurtz Chair in MarketingProfessor of MarketingProfessor of Statistics at Fisher College of Business

The Wharton School

Professor of Operations, Information and Decisions at The Wharton School

The Wharton School

Robert G. Putzel Professor at The Wharton School