João Z. D. de Jesus da Silva

Yunit Serviços SA provides business support services. The firm offers services in the sector of commerce and digital industry by helping companies to optimize the relationship with its customers, with special focus on web and mobile solutions and develop innovative solutions for trade and catering for billing, customer loyalty and payment, using skills both in the physical world and virtual. The company was founded in 2001 and is headquartered in Lisbon, Portugal.

Sport TV Portugal SA operates a television channel specialized in sports. It broadcasts games and events of soccer, basketball, golf, tennis, surf, racing, fighting, and others. It also sells sport channel packages. The company was founded by Joaquim Francisco Alves Ferreira de Oliveira in 1998 and is headquartered in Lisbon, Portugal.

Fibroglobal Comunicações Electrónicas SA provides whole-sale optical fiber communication services. Its solutions include infrastructure, network access, and optical fiber access. The company was founded on March 3, 2010 and is headquartered in Lisbon, Portugal.

Fundação Portugal Telecom operates as a foundation, which provides social intervention and development through technology and information. It focuses on health, education, and access to communications. The company was founded on March 11, 2003 and is headquartered in Lisbon, Portugal.

Previsão SGFP SA (Previsão) is the asset management subsidiary of Portugal Telecom SGPS SA (XL: PTC, NYSE : PT) which provides telecommunication and multimedia services. Located in Lisbon, Previsão was established in 1988 to manage the pension funds of the parent firm, Portugal Telecom SGPS SA . They operate in Portugal, Morocco, Guinea Bissau, Cape Verde, Mozambique, Timor, Angola, Kenya, China, Sao Tome and Namibia. Portugal Telecom is the majority shareholder of Previsão with the remainder held by several banks in Portugal. The firm works closely with other asset management firms and specialists through active management mandates.

PT Portugal SGPS SA provides telecommunications and multimedia services. Its offers fixed communications, mobile, multimedia, data and corporate solutions. The company was founded in 1994 and is headquartered in Lisbon, Portugal.