# James Champy, Arie de Geus, C.K. Prahalad, Charles Handy, Chris Argyris, Cyrill Parkinson, Daniel Goeudevert, Daniel Goleman, Dave Ulrich, Don Tapscott, Dr. Reinhardt K. Sprenger, Edgar H. Schein, Fons Trompenaars, Friedemann Schulz von Thun, Gary Hamel, Geert Hofstede, Howard Gardner, Jack Welch, Jim Collins, John Kotter, John Naisbitt, Leif Edvinsson, Malcom Gladwell, Management-Vordenker, Manfred Kets de Vries, Marshall B. Rosenberg, Matthias Horx, Michael Porter, Muhammad Yunus, Noel Tichy, Patricia Aburdene, Peter Drucker, Phil Rosenzweig, Stephen Covey, Steven Reiss, Sumantra Ghoshal, Thomas Friedman, Tom Peters