SA de CV
He is a Mexican investor and philanthropist. He is the Chairman of Grupo Carso, SA de CV, a conglomerate that has substantial holdings in a variety of Mexican companies. He is also the Chairman and CEO of Telmex and America Movil. The latter is one of the largest mobile phone carrier in Latin America. He is also the Chairman and CEO of Samsung Mexico. He has been the richest person in the world since 2010.