White House press secretary Karoline Leavitt is pushing back on speculation that Amy Gleason was only recently named administrator of the Department of Government Efficiency, the temporary organization that has become synonymous with Elon Musk’s attempts to reduce the size of the federal government and its spending.

Ms. Gleason is the acting administrator of the Department of Government Efficiency, according to a White House official. The news comes as a federal judge questioned who was leading the operation.