Carlos Slim Helú. born January 28, 1940 is a Mexican business magnate, investor, and philanthropist. From 2010 to 2013, Slim was ranked as the richest person in the world. Known as the "Warren Buffett of Mexico"
After graduating from college in 1961, Slim began his career as a stock trader in Mexico, often working 14-hour days. In 1965, profits from Slim's private investments reached $400,000 ($2,998,336 in 2015 dollars),