Giorgio della Seta Ferrari C. Greca

TIM Participações SA is a holding company, which engages in the provision of wireless cellular telecommunication services. The company provides private and public telephone services at both the local and regional levels. It offers wireless and fixed line telephone services, pre-paid mobile, post-paid mobile, GSM mobile services, and Internet access services. The company was founded on May 22, 1998 and is headquartered in Rio de Janeiro, Brazil.

Telecom Italia America Latina SA provides telecommunication services. It operates landline telephone and GSM mobile phone services in Brazil. The company is headquartered in Barra de Tijuca, Brazil.