Columbia Business School

Professor Emeritus of Network Economics & Finance at University of Colorado/Senior Fellow at Columbia Business School

Lecturer in Strategy

Fisher College of Business

Associate Professor of Management at Fisher College of Business

USC Marshall School of Business

Professor Emeritus of Clinical Business Communication at USC Marshall School of Business

NUS Institute of Systems Science

Associate Professor (Practice), Co-Director, Master of Science in Business Analytics (MSBA) at NUS Institute of Systems Science

Stanford Graduate School of Business

The Robert A. Magowan Professor of Marketing at Stanford Graduate School of Business

McCombs School of Business

Bloomington School of Public and Environmental Affairs

Distinguished Professor Emeritus Chancellor''s Professor Emeritus at Bloomington School of Public and Environmental Affairs

American University School of Public Affairs

Distinguished Professor at American University School of Public Affairs

London Business School

Emeritus Professor of Economics. MA (Oxford), PhD (Pennsylvania), Hon DSc (Aston), Hon D Soc Sci (Manchester) at London Business School