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", Slim has extensive holdings in a considerable number of Mexican companies through his conglomerate, Grupo Carso, SA de CV, have amassed interests in the fields of communications, real estate, airlines, media, technology, retailing, and finance. Presently, Slim is the chairperson and chief executive of telecommunications companies Telmex and América Móvil.
América Móvil, which was Latin America’s largest mobile-phone carrier in 2010, accounted for around US$49 billion of Slim's wealth by the end of that year. His corporate holdings as of October 2014 have been estimated at US$78.5 billion. His father, born Khalil Salim Haddad Aglamaz, emigrated to Mexico from Lebanon (then part of the Ottoman Empire) at the age of 14 in 1902 and changed his name to Julián Slim Haddad.
Carlos Slim's mother, Linda Helú Atta, was born in Parral, Chihuahua, of Lebanese parents who had immigrated to Mexico in the late 19th century. Her parents upon immigrating to Mexico had founded one of the first Arabic language magazines for the Lebanese-Mexican community, using a printing press they had brought with them. He went on to study civil engineering at the National Autonomous University of Mexico, where he also concurrently taught algebra and linear programming. he founded Inmobiliaria Carso. Three months later, he married Soumaya Domit Gemayel (the Carso name derives from the first three letters of Carlos and the first two of Soumaya), and they remained married until her death in 1999.
In 1991, he acquired Hoteles Calinda (now OSTAR Grupo Hotelero), and in 1993, he increased his stakes in General Tire and Grupo Aluminio to the point where he had a majority interest.
Source @ Wikipedia