Carlos Slim Helu is a Mexican business magnate, investor and philanthropist. He was born in 1940 in Mexico City to Lebanese immigrant parents and was one of six children. He learned business from an early age from his father and bought shares in a Mexican bank at age 12. After studying civil engineering in university, he began his business career. Between 2010-2013, Forbes ranked him as the richest man in the world, with a net worth estimated at $72.6 billion as of 2014. Currently, Slim has a net worth of $77.1 billion and holds the #2 position on Forbes' billionaire rankings.