Ricardo Barbosa Leonardos

Digitel SA is a Brazilian company that is involved in the manufacturing, distribution, import, export, and leasing of communication equipment.

Medidata Group provides Internet and voice transmission services. It is a subsidiary of Amper SA. The company is headquartered in Rio de Janeiro, Brazil.

Medidata Informatica SA provides networking and systems integration solutions. It offers LAN/WAN network infrastructure projects, security solutions, UNIX environment projects, corporate server and back-up consolidation, network management, e-business solutions, and wireless technology projects. The company is headquartered in Rio de Janeiro, Brazil.

Biosev SA engages in the production, process and sale of agricultural products. It operates through the following segments: Sugar, Ethanol, Energy, and Other Products. The Sugar segment consists of crystal, liquid, inverted liquid, and refined sugar. The Ethanol segment comprises of hydrous, anhydrous, neutral, extra neutral, simple alcoholic distillate from sugarcane (DASC), and fuel oil. The Energy segment focuses on bioelectricity derived from sugarcane bagasse. The Other Products segment represents the sale of bagasse, services, and others. The company was founded on October 26, 2009 and is headquartered in São Paulo, Brazil.

Sul América Investimentos DTVM SA (Sul América Investimentos) is the Brazilian asset management subsidiary of Sul América Companhia de Seguro Saude, ultimately held by Sul América SA (SP: SULA11). Established in 1996 as Sul América Investimentos Distribuidora de Títulos e Valores Mobiliários SA, the firm became Sul America Investimentos DTVM SA in 1998. Sul América Investimentos is based in Sao Paulo. The firm has been in a strategic partnership with ING Group since 2002 and provides asset management services such as mutual funds, exclusive funds and managed portfolios to a range of clients including pension funds, insurance companies, financial institutions, family offices, brokers and distributors and high-net worth individuals.

Votorantim SA is a holding company with interests in steel, cement, mining and metallurgy, and pulp production. It operates through the following segments: Votorantim Cimentos, Nexa Resources, Companhia Brasileira de Alumínio (CBA), Long Steels, Energy, and Other. The Votorantim Cimentos segment manufactures and distributes cement and aggregates. The Nexa Resources segment handles mining operations. The CBA segment offers processed bauxite, molten, aluminum, and nickel carbonate. The Long Steels segment provides steel bars and rolled steel. The Energy segment deals with power generation and distribution. The Other segment consists of wood pulp, agribusiness and finance businesses. The company was founded in 2001 and is headquartered in Sao Paulo, Brazil.