Enrique Peña Nieto (born 20 July 1966) is the 57th President of Mexico. His six-year term began in 2012. A member of the Institutional Revolutionary Party (PRI), he served as governor of the State of Mexico from 2005 to 2011. Peña Nieto was declared "president-elect" after the 2012 general election was declared valid by the Federal Electoral Tribunal, amidst accusations of electoral fraud. He took office on 1 December 2012, succeeding Felipe Calderón.