Olivier Pérez González is the Citizens' Action Party (PAC for its' Spanish initials). He is a lawyer who graduated from Universidad Autónoma de Centro América (Autonomous University of Central America).
Pérez represented Puntarenas as a deputy between 2006 and 2010. As a deputy, he was Secretary of the Commission on Economic and Tourism Affairs.
Pérez replaced Elizabeth Fonseca Corrales as president of PAC, earning 43 votes to Federico Picado's 26 votes in a party council. Pérez claims that he will continue the PAC's open primary system.