Elon Musk has become the first person to reach $400-billion in net worth, the latest milestone for the world’s richest person.

Donald Trump responded to criticism portraying the SA-born tech billionaire and world's richest person as 'President Musk'.

World's Richest Man: Tesla and Space X CEO Elon Musk, who has expressed plans to retire on Mars, became a member of Warren Buffett's Giving Pledge in...

World's Richest Man: Tesla and Space X CEO Elon Musk, who has expressed plans to retire on Mars, became a member of Warren Buffett's Giving Pledge in...

Elon Musk has become the first person to reach $US400 billion in net worth, the latest milestone for the world’s richest individual.

Tesla and SpaceX boss Elon Musk's net worth has surpassed $440 billion, setting a new milestone for the world's richest person.

Tesla and SpaceX boss Elon Musk's net worth has surpassed $440 billion, setting a new milestone for the world's richest person.

Musk is CEO of Tesla, the top carmaker, and leads SpaceX, contracted by NASA. He also owns X, the social media platform, previously known as Twitter.

He has bankrolled elections, stoked riots and ignored laws. We mustn’t make the mistake of playing nice with the world’s richest bully

The world’s richest man led the charge to kill a bipartisan spending deal, in part by promoting false and misleading claims about it.