According to Forbes, he said that "the ideal work schedule should be 10-11 hours three times per week for people over 60 to allow them to have more days to 'innovate, create and cultivate themselves' [and that] the current retirement age was established “when jobs were more physical and people died at 60, but now we live until 85 or 90.”
After a few years of teaching, Carlos Slim incorporated his first business venture, a stock brokerage, Inversora Bursátil. The same year, he married Soumaya Domit; in future ventures, he combined the first letters of their names, as in the name of his holding company, Grupo Carso.
Carlos Slim's father, Julién Slim Haddad, immigrated to Mexico from Lebanon at age 14. With one of his brothers, he opened a dry-goods store in Mexico City. When foreign investors fled the country following the revolution of 1910, Julián Slim resolved to remain in Mexico. By the 1920s, he had acquired a number of businesses and substantial real estate in the capital city. Julián married Doña Linda Helú, a daughter of Lebanese immigrants. The couple raised six children, of whom Carlos Slim Helú was the fifth.
Shares of Slim’s telecommunications company America Movil surged 35 percent over the year, bringing his fortune up $18.5 billion in the past 12 months to $53.5 billion, according to the Forbes rich list released Wednesday.
Slim's personal net worth slipped by $5 billion over the past year as stock prices of companies he owns lagged. He made much of his fortune through telecommunications companies, and has more recently expanded into commodities, retail and financial enterprises.
Slim was born into a family of Lebanese Christian immigrants to Mexico, where his father made a fortune in real estate during the Mexican Revolution of 1910–20. Slim graduated with a degree in engineering from the National Autonomous University of Mexico, and by the mid-1960s he was investing in and founding a variety of businesses that became the foundation for Grupo Carso. He attained billionaire status in the aftermath of the economic crash of 1982, when the Mexican government, defaulting on foreign debts in light of a devalued peso, began nationalizing banks and scaring away business investors. Having purchased at bargain prices controlling interests in a variety of companies, Slim managed them so effectively that within the span of a decade their sum value soared.
His extensive holdings in a considerable number of Mexican companies through his conglomerate, Grupo Carso, SA de CV, amassed interests in the fields of communications, technology, retailing, and finance.
Mexican billionaire Carlos Slim, chariman emeritus of America Movil Sab de CV, which controls 70 percent of Mexico's mobile-phone business, chats with attendees following a news conference in Mexico City, Mexico, on Tuesday, Jan. 31, 2012. Slim said the prices charged by his phone companies in Mexico are among the world's lowest.
He is a multi billionaire with a difference; his old world style appears not only in his business style, but also in his life style. With his fortune estimated at $74 billion, this wealthiest person in the world is a man of taste and class. Carlos Slim Helu has carving for classical painting and sculpture by great artists likes Rodin, Renoir, Da Vinci and Micheal Angelo. Despite being a multi billionaire, this 71 years old man lives in a modest six-bedroom house, a mile away from his office. He doesn't believe in conspicuous consumption and has no interest in flashy super yachts or palatial houses around the world.
Carlos Slim Helu, is a early 20th century style American capitalist who believes in monopoly, old factory system and economies of scale more than innovation and technology. This telecom tycoon is compared to the likes of Rockefeller, Carnegie, Stanford and J P Morgan etc and is often called Robber Baron of 21st century. He is first person from a developing country to have topped the "Forbes" list.