Like Aon Corp.'s newly appointed president and chief executive officer, Gregory Case, the current and former senior executives of several other major companies first rose within the ranks as consultants at McKinsey & Co.
Over the past several years, the international management consulting firm has served as a veritable breeding ground for top executives at a wide array of companies.
Other McKinsey alumni include:
Gary T. DiCamillo, former chairman and CEO, Polaroid Corp. Uwe Doerken, executive chairman, DHL U.S.A. Louis V. Gerstner, former chairman and CEO, IBM Corp. Harvey Golub, former chairman and CEO, American Express Co. Ted W. Hall, former chairman, Robert Mondavi Corp. Lukas Muehlemann, former chairman and CEO, Credit Suisse Group Leo. F. Mullin, former chairman and CEO, Delta Air Lines Dr. Helmut Panke, chairman, BMW A.G. Sharon Patrick, former president and CEO, Martha Stewart Living Omnimedia Philip J. Purcell, chairman and CEO, Morgan Stanley Jeffrey K. Skilling, former CEO, Enron Corp. Anton Von Rossum, former CEO, Fortis Robert Worcester, chairman, MORI