"As a manager, my purpose is to serve the greater good by bringing people and resources together to create value that no single individual can create alone..." So begins the MBA Oath, conceived in early 2009 by Max Anderson, Peter Escher, and a team of Harvard Business School students. They saw that in the wake of the financial crisis, the Madoff scandal, and other headlines, MBAs were being vilified. People were angry because business leaders, many...