Currently heading Google's parent company Alphabet, Page co-founded Google along with a fellow Stanford student Sergey Brin in 1998 and was the first CEO of the tech giant.
Fun Fact - Google's journey began as a part of Page's Ph.D. requirements in 1996. He was only 23 years old.
Ellison co-founded computer software company Oracle in 1977 and serves as the chairman of the board and the Chief Technology Officer. He was the CEO of the company since its inception up until 2014.
Fun Fact - Ellison joined Tesla's board after buying 3 million shares of the electric-auto giant in2018, giving him a 1.7% stake and making him the second-biggest disclosed individual shareholder, behind Elon Musk.
Executive Vice President of the Koch Industries till July2018, David Koch is now theDirector Emeritus of the company after stepping down citing health issues.
Together, the net worth of the Koch brothers stands at $118 billion. David Koch is also a well-knowndonor to New York's Lincoln Center.
Fun Fact: For46 years, David Koch held MIT's record for most points scored in a basketball game.
For 52 long years, Charles Koch has been the Chairman and CEO of Koch Industries, the second-largest private company, revenue-wise, in the US.
The multinational company's revenue, with varied interests in refining, investment, minerals, commodity trading among others, is pegged at $110 billion, according to Forbes. Charles Koch and his brother David Koch (next on the list)own42% eachof the company, making the Koch family one of the richest in the US.
Fun Fact: The two brothers, along with their third brother Bill, went to the MIT and Charles and David played on the same rugby team.
Ortega owns around 59% of Inditex, the parent company of popular fashion brand Zara along with 8 other retail brands like Massimo Dutti, Oysho, Pull & Bear that have close to 7,500 stores across the globe. The fashion retail mogul co-founded the company with his ex-wife Rosalia Mera in 1975.
Fun Fact - Ortega bought one of the tallest skyscrapers in Spain, the Torre Picasso, in Madrid which cost around $536 million.
Fun Fact: Zuckerberg and his wife are spending $3 billion in an attempt to end, cure or manage all disease by the year 2100.His goal for 2018 is to make sure Facebook is good "for people's well-being and for society," amid recent backlash on social media's harmful effects.
Known as the "Oracle of Omaha," Warren Buffett is one of the most successful investors of all time. Heruns Berkshire Hathaway, which owns more than 60 companies, including insurer Geico, battery maker Duracell and restaurant chain Dairy Queen.
The business tycoonfirst bought his first stock at age 11 and first filed taxes at age 13. In 2010, he and Bill Gates launched the Giving Pledge, asking billionaires to commit to donating half their wealth to charitable causes. He's promised to give away over 99% of his fortune. In 2019 he donated $3.6 billion, much of it to the foundation of friends Bill and Melinda Gates.
Fun Fact:Buffett still lives in the same Omaha, Nebraska home he purchased in 1958 for $31,500.
Bernard Jean Étienne Arnault is a French business magnate, investor, and art collector.One of the world's ultimate taste-makers, Bernard Arnault oversees an empire of 70 brands including Louis Vuitton and Sephora.In April 2018, he became the richest person in fashion, toppling Zara's Amancio Ortega.
He and LVMH pledged over $220 million to help repair the Notre Dame cathedral in Paris following a devastating fire in mid-April 2019.
Fun Fact: Arnault apparently wooed his wife, Helene Mercier, a concert pianist, by playing Chopin and other classical composers.
An American business magnate, investor, author, philanthropist, humanitarian and one of the two principal founders of Microsoft Corporation (the other one being Paul Allen). The 63-year-old along with his wife Melindachairs the Bill & Melinda Gates Foundation, the world's largest private charitable foundation. Itworks to save lives and improve global health and is working with Rotary International to eliminate polio.
Fun Fact: When Gates was a kid, he spent so much time reading that his parents finally forbade him from bringing books to the dinner table.
Fun Fact: Bezos met Google founders Larry Page and Sergey Brin in 1998 and managed to become one of the company's first angel investors, putting in $250,000.