- The Executive Office of the President of the United States (EOP) comprises the offices and agencies that support the work of the president at the center of the executive branch of the United States federal government. The office consists of several offices and agencies, such as the White House Office (the staff working closest with the president, including West Wing staff), the National Security Council, Homeland Security Council, Office of Management and Budget, Council of Economic Advisers, and others. The Eisenhower Executive Office Building houses most staff.