Even a CEO has to answer to someone. For the CEO of a big company, that someone is the board of directors. The “board” as it is often called, gathers members who oversee the activity of an organization. In a stock corporation, the board members are elected by the shareholders. The board members responsibilities vary from one company to the next but it often includes choosing and firing the CEO, signing off on the major business decisions.
Why talk about board rooms in a graph visualization blog? The CAC 40 is a French index composed of the 40 leading French companies. These companies are led by a small group of 450 board directors. A single director is typically linked to multiple companies. For example, Baudouin Prot, the CEO of BNP Paribas, is seating on the board of 4 CAC 40 companies.
Through their multiple mandates and the people they sit together with, the CAC 40 board directors are linked to the most of the companies with the CAC 40. It creates a small yet powerful network.
To illustrate this, we are going to visualize the network of the CAC 40 board directors.