Enrique Macaya Lahmann (1953–1982) Eugenio Rodríguez Vega (1984–2008) Marilyn Echeverría Zurcher de Sauter (2009–....)
Alejandro Aguilar Machado (1955–1984) Jorge Charpentier García (1985–2004) Amalia Chaverri Fonseca (2006–....)
Founder (1923–1938) Julián Marchena Valle-Riestra (1941–1985) Virginia Sandoval de Fonseca.
Samuel Arguedas Katchenguis (1941–1978) Alfonso Ulloa Zamora (1984–2000) Laureano Albán Rivas (2004–....)
Manuel Francisco Jiménez Ortiz (1947–1952) Juan Trejos Quirós (1953–1970) Joaquín Gutiérrez Mangel († 2001).
Founder (1923–1954) Abelardo Bonilla Baldares (1955–1969) José Basileo Acuña Zeledón (1969–1992) Adolfo Constenla Umaña (1995–....)
Founder (1923–1954) Arturo Agüero Chaves (1955–2001) Alfonso López Martín (2001–2004) Julieta Dobles Yzaguirre (2006–....)
Jézer González Picado (1989–2005) Enrique Margery Peña (2006–2011) Víctor Manuel Sánchez Corrales (elected)
Founder (1923–1944) Hernán G. Peralta Quirós (1947–1981) Fernando Centeno Güell (1987–1993) Arnoldo Mora Rodríguez (1996–....)
Founder (1923–1931) Napoleón Quesada Salazar (1934–1937) Moisés Vincenzi Pacheco (1941–1964) Alberto F. Canas Escalante (1967–....)
Founder (1923–1925) Jenaro Cardona Valverde (1926–1930) Rogelio Sotela Bonilla (1933–1943) Luis Felipe González Flores (1951–1973) Carlos Salazar Herrera († 1980).
Founder (1923–1947) Joaquín Vargas Coto (1947–1959) José Marín Cañas (1959–1980) Roberto Murillo Zamora (1990–1994) Rafael Ángel Herra Rodríguez (1997–....)
Founder (1923–1958) José María Arce Bartolini (1959–1979) Carlos Rafael Duverrán Porras (1985–1995) Estrella Cartín de Guier (1997–....)
Founder (1923–1934) Víctor Guardia Quirós (1951–1959) León Pacheco Solano (1963–1980) Carmen Naranjo Coto.
Julio Acosta García, El Salvador, 1915 Samuel Arguedas Katchenguis, Mexico, 1973 Rima Rothe Strasburger de Vallbona, United States, 2012