In July 2016, Trump said that there was three people on his running mate shortlist: Chris Christie, Newt Gingrich and Pence himself. On July 14, 2016, it was reported that Trump selected Pence as his running mate. On July 15, 2016, Trump announced on his Twitter that Pence would be his running mate. He made a formal announcement in New York City on July 16, 2016.