Here are the top 14 richest individuals in the world as of my knowledge cutoff date of September 2021, along with brief details about their businesses:
Elon Musk - The CEO of SpaceX, Tesla, Neuralink, and The Boring Company, Elon Musk is the world's richest person with a net worth of $228.2 billion. He is known for his innovative and ambitious ideas in the fields of space exploration, electric cars, and renewable energy.
Jeff Bezos - The founder and former CEO of Amazon, Jeff Bezos has a net worth of $174.4 billion. Amazon is the world's largest online retailer and has expanded into various other industries, including cloud computing, streaming media, and artificial intelligence.
Bernard Arnault & Family - Bernard Arnault is the chairman and CEO of LVMH, a luxury goods conglomerate that includes brands such as Louis Vuitton, Christian Dior, and Moet Hennessy. With a net worth of $166.9 billion, he is the third richest person in the world.
Bill Gates - The co-founder of Microsoft, Bill Gates has a net worth of $131.7 billion. Microsoft is one of the world's largest and most influential technology companies, known for its Windows operating system and Office productivity suite.
Mark Zuckerberg - The co-founder and CEO of Facebook, Mark Zuckerberg has a net worth of $121.6 billion. Facebook is the world's largest social networking platform and has expanded into various other industries, including virtual reality and messaging.
Warren Buffett - Warren Buffett is the chairman and CEO of Berkshire Hathaway, a multinational conglomerate that owns a diverse range of businesses, including GEICO, Duracell, and Dairy Queen. With a net worth of $102.5 billion, he is one of the world's most successful investors.
Larry Ellison - Larry Ellison is the co-founder and former CEO of Oracle Corporation, a leading provider of database software and enterprise technology solutions. With a net worth of $99.0 billion, he is also known for his philanthropic activities and involvement in America's Cup sailing.
Larry Page - The co-founder of Google, Larry Page has a net worth of $98.5 billion. Google is the world's most popular search engine and has expanded into various other industries, including self-driving cars and smart home technology.
Sergey Brin - The other co-founder of Google, Sergey Brin has a net worth of $95.3 billion. In addition to his work at Google, Brin has also invested in various other technology startups and philanthropic endeavors.
Steve Ballmer - Steve Ballmer is the former CEO of Microsoft and currently owns the Los Angeles Clippers basketball team. With a net worth of $89.8 billion, he has also been involved in various philanthropic activities and educational initiatives.
Mukesh Ambani - Mukesh Ambani is the chairman and largest shareholder of Reliance Industries, a conglomerate with interests in petrochemicals, refining, and telecommunications. With a net worth of $84.5 billion, he is the richest person in India.
Jim Walton - Jim Walton is the youngest son of Walmart founder Sam Walton and currently serves on the company's board of directors. With a net worth of $76.7 billion, he is one of the world's wealthiest retail heirs.
Alice Walton - Alice Walton is the only daughter of Walmart founder Sam Walton and is also an art collector and philanthropist. With a net worth of $76.5 billion, she is one of the richest women in the world.