 In 2001, following the cancellation of the local election in Ciudad Juárez, the Congress of Chihuahua appointed him to serve as the municipal president on an interim basis until a special election could be held.In 2004, Governor José Reyes Baeza Terrazas put him in charge of revenue collection in Ciudad Juárez, a position he left in 2007 to seek the PRI's candidacy for the 2007 municipal presidential election.On 22 April 2007, Reyes Ferriz was selected as the PRI's candidate for mayor of Juárez, and on 1 July 2007 he was elected to serve as Juárez's municipal president for the 2007–10 period.