Fethke Leadership Chair Emeritus, U. of Iowa, Tippie Business College

Frank Schultz Endowed Professor of Management, University of Alabama

Professor of Work Psychology and Human Resource, University of Santiago de Compostela …

Work Skills First, Inc.

Professor of psychology, Pennsylvania State University

Professor LMU München

national university of singapore, singapore management university, michigan state …

Fox School of Business, Temple University

University of Limerick; Portland State University

Professor of Management, University of Texas at San Antonio