The pair have been inseparable since the election, with Mr Musk accompanying Mr Trump to Washington to meet Republicans in Congress and Mr Trump heading to Texas with Mr Musk to watch a test flight of a rocket built by SpaceX,

The world’s richest person, not known for his humility, is still learning the cutthroat courtier politics of Donald Trump’s inner circle — and his ultimate influence remains an open question.

Writing on the Wall These days, it feels like everyone's trying to figure out how long Elon Musk and Donald Trump's new bromance could possibly last, and an answer has just started to materialize: not much longer.

Follow updates on Trump’s cabinet and staff picks. Elon Musk and Vivek Ramaswamy, the co-leaders of what President-elect Donald J. Trump has called the Department of Government Efficiency, said on Wednesday that they supported requiring federal employees to work from the office five days a week as part of a broad overhaul of the civil service.

The move, aimed at thinning the civil-servant workforce, could come soon after Trump’s inauguration, a person close to the effort says.

Elon Musk and Vivek Ramaswamy, the two co-leads President-elect Donald Trump appointed to head the new Department of Government Efficiency, will likely try to end work-from-home policies for the 2.3 million employees in the federal workforce.