The governor of San Luis Potosí exercises the role of the executive branch of government in the Mexican state of San Luis Potosí, per the Political Constitution of the Free and Sovereign State of San Luis Potosí. The official title is Gobernador Constitucional del Estado Libre y Soberano de San Luis Potosí (Governor of the Free and Sovereign State of San Luis Potosí). The governor is democratically elected for a term of six years, and cannot be re-elected. The term begins of September 26 in the year of the election and terminates on September 25, six years later. The state of San Luis Potosí was established in 1824 as one of the original states of the Mexican federation, and has thus survived all the varying historic systems of the Mexican government. At a certain point in history, San Luis Potosí was a "Department", and as such, the title of the executive varied as well. List of governors Gobernadores Constitucionales (Constitutional Governors) Carlos Díez Gutiérrez 1877-1898 Blas Escontría Bustamante 1898-1902 Blas Escontría Bustamante 1902-1905 José María Espinosa y Cuevas 1908-1910 José María Espinosa y Cuevas 1910-1911 Rafael Cepeda 1911-1913 Juan G. Barragán Rodríguez 1917-1919 Severino Martínez Gómez 1919-1920 Rafael Nieto Compéan 1920-1923 Aurelio Manrique De Lara 1923-1925 Abel Cano Villa 1925-1927 Saturnino Cedillo Martínez 1927-1931 Ildefonso Turrubiartes 1931-1935 Mateo Fernández Netro 1935-1938 Reynaldo Pérez Gallardo 1939-1941 Gonzalo Natividad Santos Rivera 1943-1949 Ismael Salas Penieres 1949-1955 Manuel Álvarez 1955-1958 Manuel López Dávila 1961-1967 Antonio Rocha Cordero 1967-1973 Guillermo Fonseca Álvarez 1973-1979 Carlos Jonguitud Barrios 1979-1985 Florencio Salazar Martínez 1985-1987 Fausto Zapata Loredo 1991 no data Horacio Sánchez Unzueta 1993-1997 Fernando Silva Nieto 1997-2003 Jesús Marcelo de los Santos Fraga 2003-2009 Fernando Toranzo Fernández 2009-2015 Juan Manuel Carreras 2015-2021 Ricardo Gallardo Cardona 2021-present Gobernadores Interinos (Interim Governors) Juan Flores Ayala 1897-1897 José María Aguirre y Fierro 1906-1906 Arnulfo Pedroza 1911-1911 José Encarnación Ipiña 1911-1911 Antonio F. Alonso 1912-1912 Cayetano García 1912-1912 Francisco Romero 1912-1912 Eulalio Gutiérrez Ortiz 1913-1914 José Refugio Velazco 1914-1914 Pablo González Garza 1914-1914 Ricardo Muñoz 1914-1914 Herminio Álvarez 1914-1915 Adolfo Flores 1915-1915 Emiliano G. Sarabia y M. 1915-1915 Gabriel Garavia Castro 1915-1915 José Carlos Kaperowitz 1915-1915 Vicente Dávila Aguirre 1915-1916 Federico Chapoy 1916-1917 Nicasio Sánchez Salazar 1916-1918 Antonio Vives 1917-1917 Rafael Castillo Vega 1917-1917 Severino Martínez Gómez 1918-1919 Manuel I. Vildósola 1919-1919 Mariano Flores 1919-1919 Rafael Segura 1919-1919 José Santos Alonso 1920-1920 Pedro Moctezuma 1920-1920 Rafael Curiel 1920-1920 Pedro Martínez