Sidney Victor da Costa Breyer founded 5 companies, notably: ALOG Data Centers do Brasil SA, Associacao Instituto Potencial and Elefante Internet SA.
He holds the position of Chairman at Mandic SA and President for Zion RJ Participações SA.
He is also on the board of Lojas Americanas SA, Americanas SA and Corcovado German School.
In his past career he held the position of Vice Chairman for Brasil Brokers Participaçoes SA, Professor at Getulio Vargas Foundation and Professor-Online Marketing at Escola de Administração de Empresas de São Paulo.
He received an undergraduate degree from Instituto Tecnológico de Aeronáutica.