Harvard Business School

Martin Marshall Professor of Business Administration at Harvard Business School

McCombs School of Business

Professor at McCombs School of Business

Crawford School of Public Policy

Professor and Chair in Public Policy at Crawford School of Public Policy

The Wharton School

International Foundation of Employee Benefit Plans Professor at The Wharton School

National University of Singapore

Lee Kuan Yew School of Public Policy

Professor in Public Management at Lee Kuan Yew School of Public Policy

The Wharton School

The Lauder Professor Emeritus of Marketing at The Wharton School

Bloomington School of Public and Environmental Affairs

Associate Professor at Bloomington School of Public and Environmental Affairs