Two or more corporations have interlocking directorates when they share members of their boards of directors or each shares directors with a third firm. A person that sits on multiple boards is known as a multiple director. Two firms have a direct interlock if a director or executive of one firm is also a director of the other, and an indirect interlock if a director of each sits on the board of a third firm.
Network diagram showing interlocks between various U.S. corporations/institutions, and four major media/telecom corporations (circled in red).
Network diagram showing interlocks of the board members of American International Group (AIG), from 2004 with other U.S. corporations.
Network diagram showing interlocks between various U.S. corporations and institutions and the Council on Foreign Relations, in 2004
A board of directors is an executive committee that supervises the activities of a business, a nonprofit organization, or a government agency.
Center for Interfaith Relations Board of Directors meeting