Elon musk | the richest man in the wold

• Elon Musk cofounded six companies including electric car maker Tesla, rocket producer SpaceX and tunneling startup Boring Company.

• He owns about 25% of Tesla between stock and options, but has pledged more than half his stock as collateral for loans.

• SpaceX, founded in 2002, is worth $125 billion after a funding round in May 2022; it quadrupled its value in three years.

• Boring Company, which aims to defeat traffic, raised $675 million in April 2022 at a $5.7 billion valuation.

• Twitter's board agreed to sell the company to Musk for $44 billion on April 25, 2022, after he disclosed a 9.1% stake and threatened a hostile takeover.

• Musk secretly fathered twins with Shivon Zilis, an executive at his company, Neuralink, which has been testing Bluetooth-enabled implantable chips in monkeys.