Zavala is an active member of the
PAN since 1995. From 1997 to 2000 she served in the
Chamber of Deputies of Mexico during the
LVII Legislature; from 2001 to 2003 she served as local deputy in the
Congress of Yucatán; then from 2003 to 2006 she served again in the Chamber of Deputies this time during the
LIX Legislature. In 2006 she won a seat in the
Senate of Mexico representing Yucatán but left that position to join
Felipe Calderón's presidential cabinet as
Secretary of Social Development. In January 2008 she left the cabinet and returned to the senate. ==References==