Bill Gates co-founded Microsoft in 1975, and has continued his involvement with the company as a technology advisor and board member. Gates also has investments in Canadian National Railway, AutoNation, and more. He and his wife Melinda founded the Bill & Melinda Gates Foundation which aims to help kindergarten through 12th grade students in the US. Amancio Ortega is the wealtheist man in Europe, and co-founded fashion retailer Zara's parent company Inditex in 1975. His real-estate portfolio includes properties in London, New York, Madrid.Founder and CEO of Amazon.com, Jeff Bezos owns nearly 17% of the company and in 2013 he purchased the Washington Post for $250 million.Wildly successful investor Warren Buffet is CEO of Berkshire Hathaway which owns over 60 companies. Although he still lives a somewhat modest lifestyle, he became a billioniare at age 32. In 2010, Buffet, alonside Bill Gates, created The Giving Pledge — promising to donate at least half of their fortunes to charities. Carlos Slim Helu controlls Latin America's largest mobile telecom firm, América Móvil, of which he is a chairman. Helu also owns stakes in various mining, real estate, and consumer goods businesses — including The New York Times. He is the richest man in Mexico. Facebook CEO Mark Zuckerberg founded the website in his Harvard dormroom 13 years ago and has since grown his net worth to $61 billion. He and his wife, Priscilla Chan, have committed to give away 99% his wealth before he dies. In 1977 Larry Ellison co-founded the software company Oracle, which originally was launched with $2,000 of funding, $1,200 of which came out of Ellison's own pocket. Ellison stepped down as CEO in 2014, but continues to be involved with the company.Bernard Arnault has been the CEO of LVMH, which houses brands such as Louis Vuitton, Sephora, and Dom Perignon, since 1989. Combined, the brands under LVMH sold $40 billion in sales in 2016.