Ricardo Froilán Lagos Escobar (Spanish pronunciation: [riˈkaɾðo fɾoiˈlanˈlaɣos eskoˈβaɾ]; March 2, 1938) is a lawyer, economist and social democrat politician, who served as president of Chile from 2000 to 2006. He won the 1999-2000 presidential election by a narrow margin in a runoff over Independent Democrat Union (UDI) candidate Joaquín Lavín. Lagos was the third president from the center-left Coalition of Parties for Democracy to have ruled Chile since 1990.