José Félix Tezanos Tortajada
- June 30, 2018 -
Centro de Investigaciones Sociológicas - CIS
Cristobal Torres Albero
- (December 2016 - June 2018)
Felix Requena Santos
- (January 2012 - December 2016)
Ramón Ramos Torre
- (September 2010 - January 2012)
Belén Barreiro Pérez-Pardo
- (May 2008 - September 2010)
Fernando Vallespín Oña
- (May 2004 - May 2008)
Ricardo Montoro Romero
- (May 2000 - May 2004)
Pilar del Castillo Vera
- (mayo 1996 - abril 2000)
Joaquín Arango Vila-Belda
- (July 1991 - May 1996)
Luis Rodríguez Zúñiga
- (September 1988 - May 1991)
Rosa Conde Gutiérrez del Álamo
- (March 1987 - July 1988)
Julian Santamaría Ossorio
- (January 1983 - March 1987)
Rafael López Painter
- (April 1979 - January 1983)
Juan Diez Nicolas
- (October 1976 - April 1979)
Luis López-Ballesteros and Cervino
- (April 1976 - October 1976)
Pablo Sela Hoffmann
- (January 1975 - March 1976)
Francisco Murillo Ferrol
- (February 1974 - October 1974)
Rafael Ansón Oliart
- (July 1973 - February 1974)
Alejandro Muñóz-Alonso Ledo
- (early 1972 - July 1973)
Ramón Cercós Bolaños
- (January 1971 - early 1972)
Luis González Seara
- (July 1963 - October 1967)
Salustiano del Campo Urbano
- (July 1963 - January 1971)