# Chief of the Joint Chiefs of Staff (Argentina)

The Chief of the Joint Chiefs of Staff of the Armed Forces (Spanish: El jefe del Estado Mayor Conjunto de las Fuerzas Armadas; JEMCFFAA) is the professional head of the Argentine Armed Forces. The JEMCFFAA is responsible for the administration and the operational control of the Argentine military. It is the highest rank military position in the country.
The current JEMCFFAA is Brigadier General Xavier Isaac. He was appointed by President Javier Milei on January 2, 2024, by Decree 120/2023.

## List

There have been a number of officers serving as the JEMCFFAA:
| No. | Name | Took office | Left office | Time in office | Defence branch |
| 1 | Majó, VíctorLieutenant General Víctor Jaime Majó [es] (1881–1959) | 29 January 1949 | 1 October 1950 | 1 year, 245 days | Argentine Army |
| 2 | Reyes, AristóbuloBrigadier Major Aristóbulo Reyes | 6 October 1950 | 22 December 1952 | 2 years, 77 days | Argentine Air Force |
| 3 | Garzoni, CarlosCounter Admiral Carlos A. Garzoni [es] (1900–1982) | 23 December 1952 | 31 December 1954 | 2 years, 8 days | Argentine Navy |
| 4 | Manni, ÁngelDivision General Ángel Juan Manni [es] (1900–1999) | 1 January 1955 | 8 October 1955 | 280 days | Argentine Army |
| 5 | Rattenbach, BenjamínDivision General Benjamín Rattenbach [es] (1898–1984) | 20 December 1955 | 17 October 1956 | 302 days | Argentine Army |
| 6 | Imaz, FranciscoBrigadier General Francisco A. Imaz [es] (1906–1993) | 18 October 1956 | 6 December 1956 | 49 days | Argentine Army |
| 7 | Ahrens, HeribertoBrigadier General Heriberto Ahrens [es] (1908–1994) | 6 December 1956 | 29 May 1958 | 1 year, 174 days | Argentine Air Force |
| 8 | Baroja, VicenteCounter Admiral Vicente Baroja | 24 July 1958 | 23 July 1959 | 364 days | Argentine Navy |
| 9 | Picca, JuanBrigadier General Juan Bautista Picca | 1 August 1959 | 20 January 1963 | 3 years, 172 days | Argentine Army |
| 10 | Bertoglio, CarlosBrigadier Major Carlos Bertoglio | 21 January 1963 | 31 December 1965 | 2 years, 344 days | Argentine Air Force |
| 11 | Coda, CarlosAdmiral Carlos Coda [es] (1918–2004) | 31 December 1965 | 11 December 1966 | 345 days | Argentine Navy |
| 12 | Boffi, Jorge AlbertoVice Admiral Jorge Alberto Boffi | 28 December 1966 | 22 December 1967 | 359 days | Argentine Navy |
| 13 | Toscano, José JaimeDivision General José Jaime Toscano | 22 December 1967 | 13 November 1969 | 1 year, 326 days | Argentine Army |
| 14 | Salas, RicardoBrigadier Major Ricardo Salas | 15 December 1969 | 16 December 1970 | 1 year, 1 day | Argentine Air Force |
| 15 | Martínez, EzequielBrigadier Major Ezequiel Martínez [es] (1924–2019) | 1 March 1971 | 1 October 1971 | 214 days | Argentine Air Force |
| 16 | Quijada, HermesCounter Admiral Hermes Quijada (1920–1973) | 22 December 1971 | 3 November 1972 | 317 days | Argentine Navy |
| 17 | Cacciatore, OsvaldoBrigadier Osvaldo Cacciatore (1924–2007) | 3 November 1972 | 19 February 1973 | 108 days | Argentine Air Force |
| 18 | Álvarez, CarlosVice Admiral Carlos Álvarez [es] (1924–2003) | 19 February 1973 | 12 June 1973 | 113 days | Argentine Navy |
| 19 | Arati, PabloCounter Admiral Pablo Arati | 12 June 1973 | 7 December 1973 | 178 days | Argentine Navy |
| 20 | Betti, LuisDivision General Luis Betti | 27 December 1973 | 29 December 1974 | 1 year, 2 days | Argentine Army |
| 21 | Della Croce, ErnestoDivision General Ernesto Della Croce | 30 December 1974 | 21 May 1975 | 142 days | Argentine Army |
| 22 | Videla, Jorge RafaelBrigadier General Jorge Rafael Videla (1925–2013) | 4 July 1975 | 27 August 1975 | 54 days | Argentine Army |
| 23 | Betti, EduardoBrigadier General Eduardo Betti [es] | 9 September 1975 | 18 January 1976 | 131 days | Argentine Army |
| 24 | Padilla, Justo GuillermoVice Admiral Justo Guillermo Padilla [es] (1924–2012) | 19 January 1976 | 22 February 1977 | 1 year, 34 days | Argentine Navy |
| 25 | Torti, Julio AntonioCounter Admiral Julio Antonio Torti [es] (1924–2016) | 23 February 1977 | 15 December 1977 | 295 days | Argentine Navy |
| 26 | Apella, Pablo OsvaldoCounter Admiral Pablo Osvaldo Apella [es] (1926–2019) | 15 December 1977 | 24 January 1979 | 1 year, 40 days | Argentine Navy |
| 27 | Romero, José MaríaBrigadier José María Romero [es] (1926–1993) | 25 January 1979 | 31 December 1979 | 341 days | Argentine Air Force |
| 28 | Liendo, Horacio TomásDivision General Horacio Tomás Liendo (1924–2007) | 2 January 1980 | 29 March 1981 | 1 year, 86 days | Argentine Army |
| 29 | Reston, LlamilDivision General Llamil Reston (1926–2019) | 30 March 1981 | 10 December 1981 | 255 days | Argentine Army |
| 30 | Suárez del Cerro, LeopoldoVice Admiral Leopoldo Suárez del Cerro [es] (1928–2003) | 10 December 1981 | 9 September 1982 | 273 days | Argentine Navy |
| 30 | Büsser, Carlos Alberto CésarCounter Admiral Carlos Büsser (1928–2012) | 20 September 1982 | 15 December 1983 | 1 year, 86 days | Argentine Navy |
| 31 | Fernández Torres, JulioLieutenant General Julio Fernández Torres [es] (1928–2014) | 16 December 1983 | 7 March 1985 | 1 year, 81 days | Argentine Army |
| 32 | Waldner, Teodoro GuillermoBrigadier General Teodoro Waldner (1927–2014) | 8 March 1985 | 11 July 1989 | 4 years, 125 days | Argentine Air Force |
| 33 | Osses, EmilioAdmiral Emilio Osses [es] (1933–2016) | 12 July 1989 | 23 August 1992 | 3 years, 42 days | Argentine Navy |
| 34 | Antonietti, AndrésBrigadier General Andrés Antonietti [es] (born 1933) | 1 September 1992 | 30 November 1992 | 90 days | Argentine Air Force |
| 35 | Díaz, MarioLieutenant General Mario Cándido Díaz [es] (1933–2001) | 30 November 1992 | 23 October 1996 | 3 years, 328 days | Argentine Army |
| 36 | Enrico, JorgeAdmiral Jorge Enrico [es] (born 1940) | 23 October 1996 | 27 August 1997 | 308 days | Argentine Navy |
| 37 | Zabala, Carlos MaríaLieutenant General Carlos María Zabala [es] (1939–2008) | 27 August 1997 | 9 December 1999 | 2 years, 104 days | Argentine Army |
| 38 | Mugnolo, JuanLieutenant General Juan Carlos Mugnolo [es] (1939–2013) | 9 December 1999 | 20 May 2003 | 3 years, 162 days | Argentine Army |
| 39 | Chevalier, JorgeBrigadier General Jorge Chevalier (born 1946) | 20 May 2003 | 26 June 2013 | 10 years, 37 days | Argentine Air Force |
| 40 | Carena, LuisLieutenant General Luis María Carena [es] (1957–2024) | 26 June 2013 | 26 January 2016 | 2 years, 214 days | Argentine Army |
| 41 | Sosa, BariLieutenant General Bari del Valle Sosa [es] (born 1959) | 26 January 2016 | 27 February 2020 | 4 years, 32 days | Argentine Army |
| 42 | Paleo, JuanLieutenant General Juan Martín Paleo (born 1962) | 27 February 2020 | 2 January 2024 | 3 years, 309 days | Argentine Army |
| 43 | Isaac, XavierBrigadier General Xavier Isaac (born 1962) | 2 January 2024 | Incumbent | 1 year, 22 days | Argentine Air Force |