A board of directors is a body of elected or appointed members who jointly oversee the activities of a company or organization, which can include a non-profit organization or a government agency or corporation. A board of directors' activities are determined by the powers, duties, and responsibilities delegated to it or conferred on it by an authority outside itself. These matters are typically detailed in the organization's constitution and bylaws. These documents commonly also specify the number of members of the board, how they are to be chosen, and how often they are to meet. However, the constitution and bylaws rarely address a board's powers when faced with a corporate turnaround, restructuring, or emergencies, where board members need to act as agents of change in addition to their