Leopoldo Fortunato Galtieri Castelli[a] (15 July 1926 – 12 January 2003) was an Argentine military officer who served as the de facto President of Argentina from December 1981 to June 1982. Galtieri ruled as a military dictator during the National Reorganization Process as leader of the Third Junta with Jorge Anaya and Basilio Lami Dozo