Bill Gates
William Henry Gates III (born October 28, 1955) is an American business magnate, investor, author, philanthropist, humanitarian, and 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.
Amancio Ortega
Amancio Ortega Gaona (Spanish pronunciation: born 28 March 1936) 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 March 2018, Ortega had a net worth of $68.4 billion, making him the second wealthiest person in Europe after Bernard Arnault, and the sixth-wealthiest in the world.
Ortega is also the wealthiest retailer in the world.
Warren Buffett
Warren Edward Buffett born August 30, 1930) is an American business magnate, investor, 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 billion as of June 3, 2018, making him the third wealthiest person in the world.
Carlos Slim Helú
Carlos Slim Helú (Spanish pronunciation: born January 28, 1940) is a Mexican business magnate, engineer, investor and philanthropist. From 2010 to 2013, Slim was ranked as the richest person in the world by the Forbes business magazine. He derived his fortune from his extensive holdings in a considerable number of Mexican companies through his conglomerate, Grupo Carso. As of March 2018, he is the seventh-richest person in the world according to Forbes' listing of The World's Billionaires with a net worth estimated at $70.5 billion.
Jeff Bezos
Jeffrey Preston Bezos ( born Jorgensen; January 12, 1964) is an American technology entrepreneur, investor, and philanthropist, who is best known as the founder, chairman, and chief executive officer of Amazon, the world's largest online retailer.