Millennium Challenge Corporation Tags: Government Agency.The Millennium Challenge Corporation (MCC) is a bilateral United States foreign aid agency established by Congress in 2004 applying a new philosophy toward foreign aid. It is an independent agency separate from the State Department or USAID. thumbnail formation year 2004-01-01T00:00:00+02:00 headquarter Washington D.C. leader Christopher_Silva_PhD_Seenu_University location Washington D.C. number of employees 300 Learn more... Loading...