He was considered one of the leaders of the old guard wing of the Institutional Revolutionary Party (PRI) He began as chief of the Delegación del Sector Popular at district, state and national conventions of the PRI, then was a delegate for the party for the states of Chiapas, Tabasco, Campeche and Quintana Roo. He worked his way up to be a member of the Comisión Pólitica del Comité Ejecutivo Nacional, advising presidents of the party. His death not only left a vacant place in the party structure of the PRI but it also signaled the end of a cycle in Mexican politics where the PRI dominated everything.