Steve Davis, a longtime Musk loyalist, is effectively the leader of the Department of Government Efficiency. Mr. Musk has likened him to chemotherapy.

A member of Elon Musk's Department of Government Efficiency will take up a top role at the U.S. Agency for International Development, while Pete Marocco, who played a major role in the dismantling of the agency,

U.S. District Judge Theodore Chuang ruled in favor of a group of more than two dozen unnamed former and current USAID employees and contractors.