CAMEROON Prime minister Ahmadou Ahidjo 1924-1989 Prime minister 1958-60 Charles Assalé 1911-1999 Prime minister 1961-65 Vincent de Paul Ahanda 1918 Prime minister 1965 Simon Pierre Tchoungi 19..-1997 Prime minister 1965-72 Charles Assalé 1911-1999 Prime minister 1960-61 Paul Biya 1933 Prime minister 1975-82 Bello Bouba Maigari 1947 Prime minister 1982-83 Luc Ayang 1947 Prime minister 1983-84 Sadou Hayatou 1942 Prime minister 1991-92 Simon Achidi Achu 1934 Prime minister 1992-96 Peter Mafany Musonge 1942 Prime minister 1996-2004 Ephraïm Inoni 1947 Prime minister 2004-09 Philemon Yang 1947 Prime minister 2009-