内閣官房長官
The is a cabinet member who is the leader and chief executive office of the Cabinet Secretariat of Japan. The main function of the Chief Cabinet Secretary is to coordinate the policies of ministries and agencies in the executive branch. The Chief Cabinet Secretary serves as the government's press secretary, conducts policy research, prepares materials to be discussed at cabinet meetings, and, in time of national crisis, coordinates ministries and agencies of the executive branch. The Chief Cabinet Secretary is usually the third in line of succession to the Acting Prime Minister after the Deputy Prime Minister The Chief Cabinet Secretary's office is located on the fifth floor of the Prime Minister's official residence in Tokyo.