Enrique Peña Nieto, commonly referred to by his initials EPN, is a Mexican former politician who served as the 64th president of Mexico from 2012 to 2018. A member of the Institutional Revolutionary Party (PRI), he previously served as Governor of the State of Mexico from 2005 to 2011, local deputy from 2003 to 2004, and Secretary of Administration from 2000 to 2002.

The president of Mexico, officially the president of the United Mexican States, is the head of state and head of government of Mexico. Under the Constitution of Mexico, the president heads the executive branch of the federal government and is the commander-in-chief of the Mexican Armed Forces. The current president is Andrés Manuel López Obrador, who took office on 1 December 2018.