2023-
Élide Valarini Oliver, Chair
2019-2023
Silvia Bermúdez, Chair
2018-2019
Eduardo P. Raposo, Chair
2015-2018
Leo Cabranes-Grant, Chair
2013-2015
Jorge Checa, Chair
2011-2013
Silvia Bermúdez, Chair
2008-2011
Francisco A. Lomelí, Chair
2004-2008
Eduardo P. Raposo, Chair
2003-2004
Harvey L. Sharrer, Chair
2000-2003
Victor F. Fuentes, Chair
1996-2000
Giorgio Perissinotto, Chair
1992-1996
Juan Bautista Avalle-Arce, Chair & Harvey L. Sharrer, Vice Chair (1993-1995)
1986-1992
Frederick G. Williams, Chair
1980-1986
Carlos García Barrón, Chair
1978-1980
Harvey L. Sharrer, Chair
1976-1978
Jorge de Sena, Chair
1974-1976
Carlos García Barrón, Chair
1970-1974
Enrique Martínez-López, Chair
1965-1970
David A. Bary, Chair
1963-1965
Winston A. Reynolds, Chair
1961-1963
Samuel A. Wofsy, Inaugural Chair