John Zenger John H. Zenger, D.B.A., is CEO of Zenger Folkman, a firm that helps organizations and individuals improve leadership effectiveness that, in turn, drives business results. These results include increasing employee engagement, retention, productiviy, and bottom-line profitability. He is a member of the HRD Hall of Fame and has authored or coauthored eight books and 50 articles on leadership, productivity, and teams. Read More Read Less