Jon R. Katzenbach has been helping companies get extraordinary results from their employees for over 50 years. He was formerly senior partner and director of McKinsey and Company, and now directs his own firm, Katzenbach Partners LLC, a New York-based consulting firm that specializes in leadership, team building, and workforce performance. He is the author of Peak Performance and Teams at the Top, and coauthor of The Wisdom of Teams and Real Change Leaders.