Mengistu Haile Mariam

Mengistu Haile Mariam (; Amharic: መንግሥቱ ኃይለ ማርያም, pronunciation: [mənɡɨstu haɪlə marjam]; born 21 May 1937) is an Ethiopian former politician, revolutionary, and military officer who served as the head of state of Ethiopia from 1977 to 1991. He was General Secretary of the Workers' Party of Ethiopia from 1984 to 1991, chairman of the Derg—the Marxist–Leninist military junta that ruled Ethiopia—from 1977 to 1987, and president of the People's Democratic Republic of Ethiopia (PDRE) from 1987 to 1991. The Derg seized power in the Ethiopian Revolution following the overthrow of Emperor Haile Selassie in 1974, marking the end of the Solomonic dynasty which had ruled Ethiopia since the 13th century.