Later Julian Assange, founder of Wikileaks, claimed that the source of the emails was not Russia. Multiple U.S intelligence agencies concluded people with direct ties to the Kremlin gave WikiLeaks hacked emails from the Democratic National Committee. election to prevent Hillary Clinton from winning the presidency. Intelligence Community concluded Russia conducted operations during the 2016 U.S. The DNC issued a formal apology to Bernie Sanders and his supporters "for the inexcusable remarks made over email" that did not reflect the DNC's "steadfast commitment to neutrality during the nominating process." After the convention, DNC CEO Amy Dacey, CFO Brad Marshall, and Communications Director Luis Miranda also resigned in the wake of the controversy. The revelations prompted the resignation of DNC chair Debbie Wasserman Schultz before the 2016 Democratic National Convention. Later reveals included controversial DNC–Clinton agreements dated before the primary, regarding financial arrangements and control over policy and hiring decisions. The leaks resulted in allegations of bias against Bernie Sanders' presidential campaign, in apparent contradiction with the DNC leadership's publicly stated neutrality, as several DNC operatives seemed to deride Sanders' campaign and discussed ways to advance Hillary Clinton's nomination. On November 6, 2016, WikiLeaks released a second batch of DNC emails, adding 8,263 emails to its collection. The leak includes emails from seven key DNC staff members, and date from January 2015 to May 2016. This collection included 19,252 emails and 8,034 attachments from the DNC, the governing body of the United States' Democratic Party. These emails were subsequently leaked by DCLeaks in June and July 2016 and by WikiLeaks on July 22, 2016, just before the 2016 Democratic National Convention. The 2016 Democratic National Committee email leak is a collection of Democratic National Committee (DNC) emails stolen by one or more hackers operating under the pseudonym " Guccifer 2.0" who are alleged to be Russian intelligence agency hackers, according to indictments carried out by the Mueller investigation. Russia investigation origins counter-narrative.Disclosure of internal messages among the national Democratic Party leadership in the US