What is Guilherme Posser da Costa?
{{Infobox officeholder | name = | image = Guilherme Posser da Costa 2018 (cropped).jpg | caption = Posser da Costa in 2018 | office1 = [[Prime Minister of São Tomé and Príncipe]] | president1 = | term_start1 = 5 January 1999 | term_end1 = 26 September 2001 | predecessor1 = [[Raul Bragança Neto]] | successor1 = [[Evaristo Carvalho]] | birth_date = {{birth date and age|1953|5|18|df=y}} | birth_place = [[São Tomé]] | alma_mater = [[University of Coimbra]] | party = [[Movement for the Liberation of São Tomé and Príncipe/Social Democratic Party|MLSTP/PSD]] }} '''Guilherme Posser da Costa''' (born 18 May 1953)<ref>{{Cite book|url=https://www.google.com/search?q=Guilherme+Posser+da+Costa+18-05-1953&tbm=bks|title=Biografia dos deputados da VII legislatura|publisher=Departamento de Documentação e Informação Parlamentar (DDIP)|year=2006|pages=16|language=pt|oclc=277052406}}</ref><ref>{{Cite web|title=Biografia de Guilherme Posser da Costa|url=http://ikuska.com/Africa/Historia/biografias/p/posser_guilherme.htm|access-date=2021-09-05|website=ikuska.com}}</ref> is a São Toméan politician. He was the [[Prime Minister of São Tomé and Príncipe]] from 1999 to 2001. Posser da Costa was [[List of Foreign Ministers of São Tomé and Príncipe|Minister of Foreign Affairs]]: 1987-1988, 1990-1991, and 1994-1996. He unsuccessfully ran for [[President of São Tomé and Príncipe]] in [[2021 São Toméan presidential election|2021]], losing to [[Carlos Vila Nova]]. ==References== {{reflist}} {{DEFAULTSORT:Posser da Costa, Guilherme }} [[Category:1953 births]] [[Category:Living people]] [[Category:Prime Ministers of São Tomé and Príncipe]] {{bio-stub}}