CONGO-BRAZZAVILLE Presidents Fulbert Youlou 1917-1972 President 1960-63 Alphonse Massemba-Débat 1921-1977 President 1963-68 Alfred Raoul 1938-1999 President 1968-69 Marien Ngouabi 1938-1977 President 1969-77 Joachim Yhombi-Opango 1939 President 1977-79 Denis Sassou-Nguesso 1936 President 1979-92 Pascal Lissouba 1931 President 1992-97 Denis Sassou-Nguesso 1936 President 1997-