Antonio Jappur Plass

Ggsh Participaçoes SA is a Brazilian company that provides blood collection and transfusion services. The private company is based in Rio de Janeiro, Brazil. It was founded in 1979 and the CEO is Carlos de Almeida V de Carvalho Neto.

Athena Capital Gestão de Recursos Ltda. is a resource management company based in Rio de Janeiro, Brazil. and has subsidiaries in Brazil. Athena Capital was born from the desire of its partners, who are professionals with prominent passages by some of the main resource management houses in the country. The Brazilian company's main focus is on resource management. The private company was founded in 2013 by André Vainer and Carlos Lima.

Part of Opus International Holdings Ltd., Opus Gestão de Recursos Ltda. is a Brazilian investment advisory company based in Rio de Janeiro, Brazil. Opus Gestão de Recursos Ltda. provides investment advice. The Brazilian company was founded in 2004 by Eduardo Plass, José Mario Osorio, Carlos Henrique Vieira Brandão dos Santos. José Mario Osorio has been the CEO since 2004.

Plural Investimentos Gestão de Recursos Ltda. (Plural) is the investment management subsidiary of Plural SA Banco Multiplo, ultimately held by Holding Plural SA in Brazil. The firm was founded in 2008 as GF Gestão de Recursos S/A. Headquartered in Sao Paulo, Plural manages fixed income, variable income, private credit and real clients.