Elba Esther Gordillo Morales is a Mexican politician, trade unionist and convicted criminal who has been the leader of the 1.4-million-strong National Education Workers' Union, the largest labor union in Latin America, since 1989. She was formerly affiliated with the Institutional Revolutionary Party until 2005, when she left and founded the New Alliance Party, which is currently led by Luis Castro Obregón.

The president of the Chamber of Deputies is the presiding officer of the Chamber of Deputies of Mexico. This position is analogous to the speaker of the House in other legislatures. The incumbent president is Marcela Guerra Castillo. The president is elected for a one-year term.