University of California, Davis

Professor Emeritus at University of California, Davis

Kellogg School of Management

Raoul Berger Professor of Law Emeritus, Northwestern School of Law, Professor of Strategy (Courtesy) at Kellogg School of Management

Harvard Kennedy School

Derek C. Bok Research Professor of Urban Planning and Public Policy at Harvard Kennedy School

CBS Executive

Professor, at CBS Executive

Columbia Business School

R.C. Kopf Professor of International Marketing at Columbia Business School

The Wharton School

Joshua J. Harris Professor at The Wharton School

Kenan-Flagler Business School

Booth School of Business

USC Marshall School of Business

George J. Stigler Distinguished Service Professor of Economics at Booth School of Business

Kenneth L. Trefftzs Chair in Finance, Professor of Finance and Business Economics at USC Marshall School of Business

The Wharton School

Haas School of Business

Tuck School of Business at Dartmouth

Visiting Professor at Haas School of Business

Visiting Professor of Finance; Lindenauer Research Associate, Lindenauer Center for Corporate Governance; Research Chair Professor of Finance at the Norwegian School of Economics, Bergen, Norway at Tuck School of Business at Dartmouth

Adjunct Full Professor of Finance at The Wharton School

Johnson Graduate School of Management at Cornell University

Professor, Ronald P. & Susan E. Lynch Professor of Investment Management at Johnson Graduate School of Management at Cornell University