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

Columbia Business School

Adjunct Associate Professor of Business at Columbia Business School

Kellogg School of Management

Professor Emeritus of Strategy at Kellogg School of Management

Kellogg School of Management

Dean Emeritus, Professor Emeritus of Finance at Kellogg School of Management

Sloan School of Management

Senior Lecturer, Operations Management at Sloan School of Management

Jones Graduate School of Business

Adjunct Professor in Management – Operations Management at Jones Graduate School of Business

Olin Business School

The Wharton School

John B. Neff Professor of Finance at The Wharton School

School of International and Public Affairs

Professor of Economics at School of International and Public Affairs

Syracuse University

Professor, Economics at Syracuse University