César Gaviria, Colombian economist and politician, 36th President of Colombia

César Augusto Gaviria Trujillo is a Colombian economist and politician who served as the President of Colombia from 1990 to 1994, Secretary General of the Organization of American States from 1994 to 2004 and National Director of the Colombian Liberal Party from 2005 to 2009. During his tenure as president, he summoned the Constituent Assembly of Colombia that enacted the Constitution of 1991.

The president of Colombia is the head of state and head of government of Colombia. The president heads the executive branch of the national government and is the commander-in-chief of the Military Forces of Colombia.