Bill George is professor of management practice at the Harvard Business School and former chairman and CEO of Medtronic, the world's leading medical technology company. Under his leadership, Medtronic's market capitalization grew from $1.1 billion to $60 billion, averaging 35 percent a year. He is the author of the best-selling "Authentic Leadership" and a board member of Goldman Sachs, Target, and Novartis. George has been recognized as "Executive of the Year" by the Academy of Management Director of the Year" by the National Association of Corporate Directors, and one of "Public Broadcasting...