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 Trust Fund for Victims.
He is a member of Collegium International, an organization of leaders with political, scientific, and ethical expertise whose goal is to provide new approaches in overcoming the obstacles in the way of a peaceful, socially just and economically sustainable world.
Raised by an upper class family in the province of Heredia, Óscar Arias concluded his secondary schooling at the Saint Francis College in the capital city of San José. He then went to the United States and enrolled in Boston University with the intention of studying medicine, but he soon returned to his home country and completed degrees in law and economics at the University of Costa Rica. In 1967, Arias traveled to the United Kingdom and enrolled in the London School of Economics. He received a doctoral degree in political science from the University of Essex in 1974. Arias has received over fifty honorary degrees, including doctorates from Harvard University, Princeton University, Dartmouth College, Oberlin College, Wake Forest University, Ithaca College and Washington University in St. Louis.
From : www.wikipedia.org