Central Bank Governor between August 5, 1996 and April 25, 2001. During his term, Argentine Presidents were Carlos Saúl Menem -until December 9, 1999- and Fernando de la Rúa. Economy Ministers were Roque Fernández, during the Menem Administration, and José Luis Machinea, Ricardo López Murphy and Domingo Felipe Cavallo during De la Rúa's term.