Columbia Journalism School

Columbia Business School

Faculty of Executive Education at Columbia Business School

Harvard Business School

Baker Foundation Professor at Harvard Business School

Harvard Kennedy School

Albert L Williams Professor of International Trade and Investment at Harvard Kennedy School

Columbia Business School

Executive in Residence at Columbia Business School

Kellogg School of Management

Professor Emeritus of Management & Organizations at Kellogg School of Management

Fisher College of Business

Faculty Emeritus at Fisher College of Business

Babson Olin Graduate School of Business

Professor at Babson Olin Graduate School of Business

McCombs School of Business

Professor at McCombs School of Business

Darden School of Business

University Professor, Distinguished Professor of Business Administration and Dean Emeritus of the Darden School of Business at Darden School of Business

BI Norwegian Business School

Lecturer - Campus Bergen, Department of Marketing at BI Norwegian Business School