Carlos Slim Fast Facts

Mexican billionaire Carlos Slim (L) walks in a street of Cartagena de Indias, Colombia, on October 26, 2012. Colombian lawmakers on Wednesday asked Slim to appear before Congress over claims his telecommunications empire has abused its dominant position in the country. Lawmakers are seeking testimony from Slim, the world's richest man, to bring 'greater transparency' to the telecoms sector in Colombia, according to a copy of the correspondence inviting him to testify. AFP

(CNN)Here's a look at the life of Mexico's richest man, businessman and investor Carlos Slim. Nicknamed "El Ingeniero" (the engineer), he is the fourth richest person in the world, according to Forbes' list of the world's billionaires.

Personal:
Birth date:
January 28, 1940
Birth place: Mexico City, Mexico
    Birth name: Carlos Slim Helú
    Father: Julián Slim Haddad, real estate investor
    Mother: Linda Helú Atta
    Marriage: Soumaya Domit Gemayel (1966-1999, her death)
    Children: Carlos, Marco Antonio, Patrick, Soumaya, Vanessa, Johanna
    Education: Universidad Nacional Autonoma de Mexico, 1961
    Other Facts:
    His father was a Lebanese immigrant, as were his maternal grandparents.
    His father died when he was 13.
    Bought shares of the Banco Nacional de Mexico at 12.
    Is a huge baseball fan.
    Has been criticized for monopolizing markets in Mexico.
    Founded the Telmex Foundation, Carlos Slim Foundation and Historic Center of Mexico City Foundation.
    Timeline:
    1965 -
    Acquires a bottling company, Jarritos del Sur, and incorporates a stock brokerage, Inversora Bursatil. Also establishes real estate, construction and mining companies.
    January 1966 - Incorporates his real estate company, Inmobiliaria Carso.
    1970s-1980s - Expands and diversifies his holdings in real estate, industry and commercial enterprises.
    1980 - Slim combines all of his business interests into Grupo Galas, known today as Grupo Carso.
    1982 - During Mexico's financial crisis, Grupo Carso acquires the controlling interest in dozens of companies.
    1990 - Grupo Carso goes public and its companies merge. Grupo Carso aquires Telmex, the newly denationalized telecommunications monopoly, in a venture with Southwestern Bell, France Telecom and several Mexican investors. Carso Global Telecom is created as Telmex's holding company. Slim also acquires mobile telecom company Radiomovil Dipsa, a subsidiary of Telmex, and renames it Telcel.
    1994 - Founds Museo Soumaya, a non-profit art museum named after his wife.
    March 14, 1994 - Slim's cousin, financier Harp Helu, is kidnapped. The billionaire is released in June after the family agrees to pay an undisclosed amount, which may have been an almost $30 million ransom.
    1995 - Founds the Telmex Foundation.
    1996 - Grupo Carso splits into Carso Global Telecom, Grupo Carso and Invercorporacion.
    1997 - Purchases Mexico's arm of Sears Roebuck. Telmex USA begins operation.
    1997 - Slim undergoes successful open-heart surgery. Begins handing over day-to-day operations of his businesses to his children.
    2000 - Acquires the ailing CompUSA for nearly $800 million.
    2005 - After acquiring a 13% stake in MCI, Slim sells off stake to Verizon Communications Corp. for $1.1 billion.
    March 2007 - Slim pledges $6 billion to his charitable foundations.
    May 2007 - Founds the Carlos Slim Health Institute,a non-profit that aims to make health care affordable and accessible in Latin America, through his Carlos Slim Foundation.
    December 2007 - Unable to turn CompUSA around, Slim sells it to a restructuring firm. The retailer shuts down most of its stores and its remaining assets are sold off.
    2008-2009 - Buys a nearly 7% stake in the New York Times, and invests $250 million into the company via a six-year lending agreement.
    2010-2013 - Ranked the world's richest man by Forbes four years in a row.
    2011 - Opens a new Museo Soumaya facility in Mexico City. The museum is designed by Slim's son-in-law, architect Fernando Romero.
    July 2014 - While attending a business conference, Slim proposes the idea of an 11-hour per day, 33-hour work week. He says the three-day work week would improve quality of life.
    January 14, 2015 - Slim exercises warrants to acquire 16 million more shares of the New York Times, making him the company's largest individual shareholder, with an almost 17% stake.
    June 2015 - Slim's TV production studio, Ora TV, drops a partnership on a project with Donald Trump after Trump says in his presidential campaign launch that some Mexicans crossing the border into the United States are "rapists."
    March 2016 - With a net worth of more than $50 billion, Carlos Slim is ranked No. 4 on the Forbes billionaires list of the 500 richest people in the world.