Managers have lost legitimacy over the past decade in the face of a widespread institutional breakdown of trust and self-policing in business. To regain society’s trust, we believe that business leaders must embrace a way of looking at their role that goes beyond their responsibility to the shareholder to include a civic and personal commitment to their duty as institutional custodians. In other words, it is time that management finally became a profession.

A version of this article appeared in the October 2008 issue of Harvard Business Review.