Harvard Business School

Senior Lecturer of Business Administration at Harvard Business School

Foster School of Business

Professor of Marketing at Foster School of Business

Stephen M. Ross School of Business

Professor of Management and Organizations at Stephen M. Ross School of Business

Brookings Institution

Crawford School of Public Policy

Nonresident Fellow - Global Economy and Development at Brookings Institution

Kellogg School of Management

Professor Emeritus of Real Estate and Finance at Kellogg School of Management

The Wharton School

Anheuser-Busch Professor Emeritus of Management Science at Wharton at The Wharton School

School of International and Public Affairs

Columbia Business School

Donald C. Waite III Professor of Social Enterprise at Columbia Business School

Donald C. Waite III Professor of Social Enterprise in the Faculty of Business and Professor of International and Public Affairs at School of International and Public Affairs

Brookings Institution

The Arjay and Frances Fearing Miller Chair in Federal Economic Policy, Senior Fellow - Economic Studies, Director - Retirement Security Project, Co-Director - Urban-Brookings Tax Policy Center at Brookings Institution

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Professor of Logistics at -

The Wharton School

Elizabeth F. Putzel Professor at The Wharton School