struggling to raise money. Johnson also provided significant funding to 2008 Republican National Convention host committee; from a $10 million shortfall, Johnson contributed personally and solicited friends to assist in covering the convention deficit. In 2011, Johnson endorsed former Massachusetts Governor Mitt Romney in the 2012 Republican presidential primaries. In September 2013, Johnson hosted a fundraiser for the Republican National Committee (RNC) at his home in New York City. By 2016, Johnson had known Donald Trump for about 30 years, with the two men having social connections. Nevertheless, in the 2016 Republican presidential primaries, Johnson initially endorsed Jeb Bush over Trump. In June 2015, Johnson was named the national finance chairman for Bush's campaign. On several occasions, Trump singled out Johnson in a speech attacking Bush for accepting "special interest" money from donors. In May 2016, after Trump became the presumptive nominee, Johnson endorsed Trump for president. He met with Trump at Trump Tower and was named one of the RNC's six finance vice chairmen, responsible for an effort to raise $1 billion on behalf of Trump's campaign. Johnson had by August 2019 donated $1.5 million to Trump's campaign and inaugural committee. In February 2020, Johnson gave $575,000 to a fundraising committee for Trump's 2020 re-election campaign, and $355,000 to the RNC. In May 2020, he gave $1 million to America First Action, Inc., a pro-Trump super PAC. On January 8, 2021, Johnson released a statement condemning the 2021 United States Capitol attack, and calling it a "dark day" in US history. United States Ambassador to the United Kingdom On January 19, 2017, President-elect Donald Trump announced that he planned to nominate Johnson to become United States Ambassador to the United Kingdom. On June 22, 2017, Trump nominated Johnson for the position. Prior to becoming ambassador, he had no diplomatic experience. Following a hearing in the Senate Judiciary Committee, Johnson was confirmed by the U.S. Senate on August 3, 2017, by voice vote. He was sworn in by Vice President Mike Pence on August 21, 2017, in the Oval Office. Johnson presented his credentials to Queen Elizabeth II on November 8, 2017. In 2018, Johnson oversaw the relocation of the United States Embassy in London from Grosvenor Square, where it had been since 1938, to a new location in Nine Elms. Brexit During Johnson's tenure, Britain withdrew from the EU. Johnson advocated for a bilateral US-UK trade deal post-Brexit, in