The billionaire has used the social media site to boast of victories, lash out at enemies and conduct polls for the initiative he calls the Department of Government Efficiency.

Elon Musk is officially serving under President Donald Trump as a special government employee, according to a White House official.

Elon Musk will work under President Donald Trump as a “special government employee,” designating Musk as an unpaid employee of the federal government with fewer restrictions than full-time employees, according to the White House, as Musk’s so-called Department Of Government Efficiency has involved itself in multiple federal agencies in recent days.