Mario Eduardo Vázquez

Telefónica Internacional operates as a holding company with interests in the telecommunications industry. The firm is based in Madrid.

Arthur Andersen LLP used to provide accounting services. It was also into consulting services for clients that operate businesses throughout the United States and around the world. Arthur Andersen was founded in 1913 and was headquartered in Chicago, IL.

Telefonica Moviles Argentina SA provides wireless communication services. It offers voice, data transmission, and Internet services. The company also provides wireless infrastructure, private networking, international roaming, games, GPRS, and WAP services. Telefonica Moviles Argentina was founded in 1994 and is headquartered in Buenos Aires, Argentina.

Telefónica Holding de Argentina SA is a telecommunications company based in Buenos Aires, Argentina. and has subsidiaries in Argentina. The Argentinean company provides wireline telecommunication services.

Vodafone Portugal, Comunicações Pessoais SA provides wireless telecommunications services. The firm's activities include operation mobile, fixed line telecommunications, internet access, paging services and other related services. It operates a nationwide cellular network based on GSM technology, besides providing 3G/UMTS wireless and HSDPA broadband services. The company was founded on October, 1992 and is headquartered in Lisbon, Portugal.

Fundacion Carolina is a non-profit organization based in Madrid, Spain. The organization aims to improve the quality and effectiveness of public policies and strengthen institutional development in Ibero-America. The Spanish company achieves this through their Programa de Liderazgo Público Iberoamericano, which was established in 2016 and selects public servants based on principles of equality and merit to exchange knowledge and experiences. In addition, Fundacion Carolina has recently launched a collection of academic reports and publications on topics related to cooperation and development, Ibero-American policy, international relations, cultural studies, and public diplomacy. The organization also runs a program for young Ibero-American leaders to promote deliberation and generate networks of leadership.

Banco Supervielle SA provides commercial banking services to corporate and individual clients. Its services include savings and deposit accounts, checking accounts, mortgages, personal loans, financing solutions, insurance, credit card issuing, stock brokering, and investment fund management. The company was founded by Jules Supervielle in 1887 and is headquartered in Buenos Aires, Argentina.