Ron Ashkenas is a managing partner of Robert H. Schaffer & Associates in Stamford, Connecticut. A leading consultant to CEOs on organizational transformation, his articles have appeared in Harvard Business Review and other leading business publications. His clients have included General Electric, GlaxoSmithKline, the World Bank, and numerous other public and private sector firms.

Dave Ulrich is professor of business administration at the University of Michigan. He was named by Business Week as one of the world's top ten educators in management and the top educator in human resources.

Todd Jick, formerly a professor at Harvard Business School, is a managing partner with the Center for Executive Development in Cambridge, Massachusetts. He has consulted with numerous companies in the United States and Europe including Merrill Lynch, PricewaterhouseCoopers, Novartis, and Cadbury Schweppes.

Steve Kerr is chief learning officer and a managing director of Goldman Sachs. A former dean at the University of Southern California and former professor of management at the University of Michigan, he was the first chief learning officer for General Electric.