Oscar Rafael de Jesús Arias Sánchez, President of Costa Rica

Óscar Arias Sánchez (born 13 September 1940) is a Costa Rican politician who was President of Costa Rica from 2006 to 2010. He previously served as President from 1986 to 1990 and received the Nobel Peace Prize in 1987 for his efforts to end civil wars then raging in several other Central American countries.

He is also a recipient of the Albert Schweitzer Prize for Humanitarianism and a trustee of Economists for Peace and Security. In 2003, he was elected to the Board of Directors of the International Criminal Court's TrustFund for Victims. He is also currently a member of the Club de Madrid, a nonprofit composed of 81 former leaders of democratic states, that works to strengthen democratic institutions.