Guillermo Ansaldo Lutz

Telefónica de Argentina SA is a telecommunications. It is engaged in offering telephone-related services such as PCS, basic telephone service, local telephony, domestic long-distance, domestic long-distance, international long-distance, public telephone, internet access, data transmission service, value-added service and cellular services. The company was founded on April 23, 1990 and is headquartered in Buenos Aires, Argentina.

McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY.

Telefonica Moviles Espana SA provides mobile communication services. It operates under the trade name Movistar, offering a range of wireless services, including international roaming, and wireless Internet and data communication. The company has alliances with T-Mobile International, Telecom Italia Mobile, and Orange SA. Telefonica Moviles Espana was founded on February 14, 2000 and is headquartered in Madrid, Spain.

Part of Svenska Cellulosa AB SCA, Grupo Lantero SA is a Spanish company that manufactures cardboard for packaging through subsidiaries. The company is based in Madrid, Spain. The company was founded in 1950 by José Lantero.

Tuenti Technologies SL provides telecommunication services. Its service portfolio includes national and international calls, messages, internet, and its social networking application. The company was founded by Kenny Bentley, Félix Ruiz, Adeyemi Ajao de Miguel, Joaquín Ayuso de Paul, and Zaryn Dentzel in 2006 and is headquartered in Madrid, Spain.

Part of Telefónica SA, Telefónica de España SA is a company based in Madrid, Spain. The Spanish company provides a program called ADR, which allows access to the American Depositary Receipts of Telefónica with a US certificate of the shares.

Telxius Telecom SA operates as a international telecommunication infrastructure company. It owns and manages assets that offer services to multiple global telecommunications carriers, wholesale and retail telecommunications operators, and over-the-top content providers in several geographies. The firm operates through the following segments: Cable and Towers. The Cable segment provides whole Internet access to its customers worldwide via Telxius' submarine infrastructure and international circuits. The Towers segment offers co-location of space on multi-tenant telecommunication towers mainly to mobile network operators, both to Telefonica group companies and to third parties, through its portfolio of telecommunication towers. The company was founded on October 10, 2012 and is headquartered in Madrid, Spain.