1. Jeff Bezos
Jeffrey Preston Bezos is an American technology entrepreneur, investor, and philanthropist. He is the founder, chairman, CEO, and president of Amazon.
2. Bill Gates
William Henry Gates III, is an American business magnate, investor, author, philanthropist, and humanitarian. He is best known as the principal founder of Microsoft Corporation. During his career at Microsoft, Gates held the positions of chairman, CEO and chief software architect, while also being the largest individual shareholder until May 2014.
3. Warren Buffett
Warren Edward Buffett is an American business magnate, investor, speaker and philanthropist who serves as the chairman and CEO of Berkshire Hathaway. He is considered one of the most successful investors in the world and has a net worth of US $84.4 billion as of November 1, 2018, making him the third-wealthiest person in the world.
4. Bernard Arnault
Bernard Jean Étienne Arnault is a French business magnate, an investor, and art collector. Arnault is the chairman and chief executive officer (CEO) of LVMH, the world’s largest luxury-goods company. He is the richest person in Europe and the fourth richest person in the world, with a net worth of $84.6 billion, as of September 2018.
5. Mark Zuckerberg
Mark Elliot Zuckerberg is an American technology entrepreneur and philanthropist. He is known for co-founding and leading Facebook as its chairman and chief executive officer.
6. Amancio Ortega
Amancio Ortega Gaona, is a Spanish billionaire businessman. He is the founder and former chairman of Inditex fashion group, best known for its chain of Zara clothing and accessories shops. As of late September 2018, Ortega had a net worth of $70 billion, making him the second-wealthiest person in Europe after Bernard Arnault, and the sixth-wealthiest in the world.
7. Carlos Slim Helu
Carlos Slim Helú is a Mexican business magnate, engineer, investor and philanthropist. From 2010 to 2013, Slim was ranked as the richest person in the world. He derived his fortune from his extensive holdings in a considerable number of Mexican companies through his conglomerate, Grupo Carso. As of August 2018, he is the seventh-richest person in the world, with a net worth estimated at $67.4 billion. He is the richest man in Mexico.
8. Charles Koch
Charles de Ganahl Koch is an American businessman, political donor and philanthropist. As of June 2018, he was ranked as the 8th-richest person in the world, with an estimated net worth of $50.7 billion.
9. David Koch
David Hamilton Koch is an American businessman, philanthropist, political activist, and chemical engineer. He joined the family business Koch Industries, the second-largest privately held company in the United States, in 1970.
10. Larry Ellison
Lawrence Joseph Ellison is an American businessman, entrepreneur, and philanthropist who is a co-founder and the executive chairman and chief technology officer of Oracle Corporation. As of June 2018, he was listed as the fifth-wealthiest person in the United States and as the tenth-wealthiest in the world, with a fortune of $54.5 billion.