1. Texas Christian University, Fort Worth, Texas 76129, USA, and honorary professor at the Department of Business Administration, Sun Yat–sen Business School (SYSBS)–China.
2. University of Texas at Arlington, and Leverhulme visiting professor at The London School of Economics and Political Science.
3. School of Business, University at Albany, SUNY, 1400 Washington Avenue, Albany, NY 12222, USA.
4. Enterprise Research Center, Imperial College Business School, University of Ghent, London, UK.