 Julian Castro, who was first elected mayor in the 2009 mayoral election, was selected in 2014 to become the next United States Secretary of Housing and Urban Development.Upon that announcement, State Representative Mike Villarreal immediately announced he would run to succeed Castro in the 2015 election.Once Castro was confirmed by the U.S. Senate, the San Antonio City Council selected Ivy Taylor as interim mayor by a third-round unanimous vote becoming the city's first African-American mayor.