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The World's Billionaires 2018 - The 54-year-old American Jeff Bezos was ranked the richest person in the world according to this year's Forbes magazine list.

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Who's Jeff Bezos? - Jeff Bezos is the founder and CEO of Amazon, a huge e-commerce company.

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Amazon Go - In January 2018, after the launch of the first Amazon Go unit in Seattle, Jeff Bezos became the richest man in the world, with a fortune of $113.5 billion.

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Bill Gates - Jeff Bezos moved to the top of the Forbes list, ahead of Bill Gates.

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Bill Gates - Bill Gates then moved to second place with his fortune valued at $90 billion.

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Warren Buffet - In third place (Jeff Bezos's position last year) is Warren Buffett, with a fortune valued at $84 billion.

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Bernard Arnault - In fourth place is the French businessman Bernard Arnault, with $72 billion.

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Mark Zuckerberg - Facebook founder, Mark Zuckerberg, got fifth place with a fortune valued at $71 billion.

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Amancio Ortega - The businessman and founder of the textile group Inditex (which includes Zara), Amancio Ortega, ranked sixth on the list.

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Birth - Jeff Bezos was born on January 12, 1964. He is the son of Jacklyn Gise Jorgensen and Ted Jorgensen. Bezos' mother was just 17-years-old when he was born.

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Place - Jeff Bezos was born in Albuquerque, New Mexico, and grew up in Houston, Texas.

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Texas properties - Over several generations, his family have accumulated a 25,000-acre ranch near Cotulla, Texas. By 2015, his family's estates were among the largest in Texas.

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Maternal grandfather - Lawrence Preston Gise, Jeff Bezos' maternal grandfather, was a regional director of the United States Atomic Energy Commission (AEC) in Albuquerque.

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Stepfather and new surname - In 1968 (when Jeff Bezos was 4 years old), his mother married his second husband, Miguel 'Mike' Bezos, a Cuban immigrant. Mike Bezos married Jacklyn and adopted Jeff Jorgensen, who took the surname 'Bezos.'

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Interests - Jeff Bezos has been interested in science and technology since he was a child.

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College - Jeff Bezos graduated in electrical engineering and computer science from Princeton University.

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Wall Street - After graduating, Jeff Bezos worked in computer science on Wall Street.

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Other jobs - He then worked on building an international trading network for a company called Fitel. Bezos also worked for Bankers Trust and D. E. Shaw & Co, where he explored e-business opportunities and worked with hedge funds.

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Amazon.com - In 1994, Jeff Bezos founded Amazon.com, a company for which he is famous for worldwide.

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The idea - Jeff Bezos wrote the business plan for Amazon during a cross-country trip from New York to Seattle.

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In the garage - The richest man in the world began his gigantic business in his garage and with the support of his parents, who invested their life savings in their son's idea.

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Books - Amazon started off as a book trader and expanded to a wide variety of products and services.

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Largest web services company - Amazon is currently the largest e-commerce company in the world and the largest provider of cloud infrastructure services through Amazon Web Services.

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Portfolio - Jeff Bezos is a very successful businessman who likes to invest in a variety of businesses.

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Blue Origin - In 2000, he founded Blue Origin, a space flight company. This idea was perhaps the result of his fascination with space travel, the development of space hotels, amusement parks, colonies, and small towns.

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The Post - In 2013, Bezos bought The Washington Post for $250 million.

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Bezos Expeditions - It is through Bezos Expeditions, a venture capital vehicle, that Jeff Bezos makes his personal investments and supports companies in a wide range of industries.

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Google - He was one of the first shareholders of Google when he invested $250,000 in 1998.

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Health sector investments - Jeff Bezos has also invested in Unity Biotechnology, a research company that seeks to prevent or reverse diseases related to the aging process.

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Philanthropy - In addition to investing and supporting various companies, Jeff Bezos and his wife are well-known philanthropists. There are more than four non-profit projects funded by Bezos Expeditions.

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Donations and causes - In 2012, Jeff Bezos and his family donated $2.5 million to a Washington state campaign to legalize same-sex marriage.

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Politics - When it comes to politics, Jeff Bezos criticized Donald Trump during the 2016 presidential election for not sharing the same views on various topics.

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Marriage - In 1992, MacKenzie Tuttle and Jeff Bezos met while working together at D.E Shaw.

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Family - They got married in 1993, moved to Seattle in 1994, and have four children.

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Film - Jeff Bezos made a cameo appearance in the movie 'Star Trek Beyond' as a Starfleet alien officer.

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