Microsoft Ownership Stake: 1.3% ($31.2 billion).Other Assets: Blue Origin ($7.15 billion private assets), The Washington Post ($250 million private assets), and $13.4 billion in cash .Amazon Ownership Stake: 11% ($178 billion).Founder and Executive Chair: Amazon ( AMZN).Mark Zuckerberg is the CEO, chair, and co-founder of Facebook, the world's largest social networking service, as well as co-CEO and co-founder of the Chan Zuckerberg Initiative.Bill Gates is the co-founder of Microsoft, the largest software company in the world, and the co-chair of the Bill & Melinda Gates Foundation.

Bernard Arnault is the chair and CEO of LVMH, the world's largest luxury goods business, and chair of its holding company, Christian Dior SE.

Elon Musk is the CEO and co-founder of Tesla CEO, chief designer, and founder of SpaceX CEO and founder of Neuralink and founder of The Boring Company.

With an estimated net worth of $177 billion, he is the richest person in the world.

Jeff Bezos is the founder of both Amazon, the world’s largest retailer, and Blue Origin.

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