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Luis Guillermo Solís Rivera (Spanish pronunciation: [lwis ɣiˈʝeɾmo soˈlis riˈβeɾa]; born 25 April 1958) is a Costa Rican politician and educator who was the 47th President of Costa Rica from 2014 to 2018. He is a member of the Citizens' Action Party (PAC).
Solís led the field in the 2014 presidential election, and won the presidency in a landslide election, earning more votes than any presidential candidate in the history of the nation. Solís has a long academic and political career, culminating in his election as the first President of Costa Rica to be a member of the PAC. Since May 2017, Luis Guillermo Solis has been under fire after a report accused him of corruptly expediting the legal process of Chinese cement imports in favor of businessman and owner of Sinocem, Juan Carlos Bolaños, in a case known as Cementazo. In May 2018 the Public Prosecutor of Costa Rica dismissed the charges against him.