Alfredo del Mazo Maza (born 5 December 1975) is a Mexican politician affiliated to the Institutional Revolutionary Party (PRI) and was sworn as the current Governor of the State of Mexico. Members of del Mazo's family have collectively governed the State of Mexico for 23 years, starting with his grandfather Alfredo del Mazo Vélez (1945-1951); then followed by his father Alfredo del Mazo González (1981-1986) and his cousin Enrique Peña Nieto (2005-2011); adding Arturo Montiel, Peña Nieto's uncle, the del Mazo family's rule extends to 29 years.