Career
Fonseca holds a doctorate in History and American Society from the University of Paris. She was president of the Citizens" Action Party (Public Affairs Committee for its Spanish initials) in 2010. She was elected as a deputy for San José in Costa Rican general elections in 2006.
She helped organize Public Affairs Committee"s opposition to the Central American Free Trade Agreement in 2006 and 2007.
Following the resignation of Alberto Cañas Escalante, Fonseca and medical doctor Rodrigo Cabezas both applied for the Public Affairs Committee presidency Fonseca was elected, promising to raise Public Affairs Committee"s institutional profile. In 2013, Fonseca used her position to push for open primaries, which resulted in the election of Luis Guillermo Solís as Public Affairs Committee"s presidential candidate.
While the National Liberation Party (PLN for its Spanish initials) maintains its majority, PUSC has lost many legislative seats to Public Affairs Committee. Fonseca was appointed Minister of Culture in 2014.