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Professor of Management at -

The Wharton School

Geoffrey T. Boisi Professor Emeritus at The Wharton School

Carlson School of Management

Professor, General Mills/ Paul S Gerot Chair in Marketing at Carlson School of Management

The Wharton School

Universal Furniture Professor at The Wharton School

EDHEC Business School

Professor of Strategy at EDHEC Business School

Harvard Business School

Professor Emeritus at Harvard Business School

CEIBS

Lorange Institute

IMD Business School

Distinguished Professor of Leadership and Organizational Behavior at IMD Business School

ESCP Europe Business School

Affiliate Professor at ESCP Europe Business School

Harvard Business School

Charles M. Williams Professor of Business Administration at Harvard Business School

ESCP Europe Business School

Affiliate Professor at ESCP Europe Business School