Ernesto Samper Pizano (born 3 August 1950) is a Colombian politician. Samper is a member of the aristocratic, wealthy and influential Samper family. He served as the President of Colombia from 1994 to 1998, representing the Liberal Party. He currently serves as the Secretary General of the Union of South American Nations (UNASUR). He was involved in the 8000 process scandal, which takes its name from the folio number assigned to it by the chief prosecutor's office.