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Guilherme Posser da Costa
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Prime Minister of São Tomé and Príncipe (1999-2001)
São Tomé and Príncipe Minister of Foreign Affairs (1987-1988, 1990-1991, 1994-1996)
IVLP ’07
See also
Edward Fenech Adami
Tom Adams
Konrad Adenauer
Dermot Ahern
Fakhruddin Ahmed
Abdelsalam Al-Majali
Jacques-Édouard Alexis
Raúl Alfonsín
Andre-Dieudonne Kolingba
József Antall
Benigno Aquino Jr.
Álvaro Arzú