Golden Finance reported that Musk already had his own White House email address on the first day Trump took office. Elon Musk, the billionaire incoming Secretary of the Department of Government Effectiveness (DOGE), said his emails have been found in an internal search function within the Executive Office of the President, a source said. The source also showed a screenshot showing Musk's new email address with the suffix EOP, which stands for Executive Office of the President. "This seems to confirm that he will have an office in the Eisenhower Executive Office Building," the source said. A source familiar with Musk's relationship with the Trump administration also said that Musk will have an office in the Eisenhower Executive Office Building. There is an office. But it's unclear how often the billionaire will use the office space.