President Donald Trump's pick for IRS commissioner is moving on. Here's who else has had the job this year and why they left.

President Donald Trump is ousting Billy Long from his role as commissioner of the Internal Revenue Service just two months after he was confirmed to the position, three sources familiar told CNN.

President Trump is set to remove IRS Commissioner Billy Long, a former GOP congressman confirmed by the Senate earlier this summer, multiple sources familiar with the matter told ABC News. Long confirmed the move in an X post Friday afternoon, revealing that Trump tapped him to be the ambassador to Iceland.