Musk said he had "done enough" and that he will step away from the Department of Government Efficiency (DOGE), the inner-government group that has slashed federal budgets and workforces. As he prepared his goodbyes, Newsweek looked back at Musk's time in government and asked experts on whether he will have a lasting impact.

Tech billionaire Elon Musk vowed the work of the Department of Government Efficiency (DOGE) would carry on and he would remain an adviser to President Trump as he bid farewell to his official