Walfrido Silvino dos Mares Guia Neto

Part of Novo Nordisk A/S, Biobras SA is a Brazilian company that manufactures diabetes products. The private company is based in Montes Claros, Brazil. The company was founded by Guilherme Caldas Emrich. Biobras was acquired by Novo Nordisk A/S on November 19, 2002 for $15.70 million.

Part of Cogna Educação SA, Saber Serviços Educacionais SA provides educational services. The private company is based in Belo Horizonte, Brazil. The Brazilian company was founded in 2000. The CEO is Mário Ghio.

SOMOS Educação SA engages in the edit, market, and distribution of teaching books, educational materials, and workbooks. It operates through the following segments: Educational Solutions for Basic Education, Educational Solutions for Technical and Higher Education, Schools and Preparatory Courses and Languages, and Others. The Educational Solutions for Basic Education segment engages in editorial activities and education systems. The Educational Solutions for Technical and Higher Education segment provides solutions for technical courses. The Schools and Preparatory Courses and Languages segment comprises of preschool, primary school, and secondary school courses, and preparatory courses for university entrance exams. The Others segment deals with transactions among the subsidiaries and the holding's expenses. The company was founded on May 4, 1998 and is headquartered at Sao Paulo, Brazil.