Elon Musk has shared his own disbelief that the government efficiency department Donald Trump tapped him to lead “is real.” The world’s richest man and SpaceX owner, who holds billions of dollars in government contracts through his companies, appeared to mock the newly-created Department of Government Efficiency (DOGE) in a post on X.

The role is not certain but likely, Axios reports. The appointee would be responsible for keeping America's AI edge and improving government efficiency, among other tasks.

Musk—the CEO of Tesla and SpaceX, and owner of X (formerly Twitter)—was quoted in Trump's announcement as saying that DOGE "will send shockwaves through the system, and anyone involved in Government waste, which is a lot of people!"

Donald Trump said that he has tapped Elon Musk, working along with Vivek Ramaswamy, to lead what he calls the Department of Government Efficiency — or DOGE, a nod to cryptocurrency. Musk and Ramaswamy will be tasked with setting the stage for a dismantling of the government bureaucracy,

President-elect Donald Trump has named Elon Musk as the leader of a new “Department of Government Efficiency," that will “dismantle Government Bureaucracy, slash excess regulations, cut wasteful expenditures,

President-elect Donald Trump on Tuesday said Elon Musk and former GOP presidential candidate Vivek Ramaswamy will lead a new “Department of Government Efficiency" — which is not, despite the name, a government agency.

The Tesla CEO spoke about the hazily proposed "Department of Government Efficiency" on his social media platform, X.