Elon Musk spent more than $100 million to send Donald Trump back to the White House. Now that he has won, the billionaire industrialist and top executive of Tesla and SpaceX could reap enormous financial rewards—potentially presenting an unprecedented conflict of interest at the highest levels of government.

Elon Musk, the world's richest man, is positioned to have sweeping powers in the second Trump administration as a deputy tasked with restructuring government operations using his aggressive approach to business.