Mr. Eduardo Karrer served as the Managing Director of Rio Polímeros S.A. Mr. Karrer served as the Chief Executive Officer of Eneva S.A. from 2007 to January 2014 and served as its Chief Investor Relations Officer and Member of Executive Board. He served as President Director of MPX Energia SA. He served as Superintendent Director of Rio Polímeros. He served as a Director CCX Carvão da Colômbia S.A. He served as a Director at OGX Petróleo e Gás Participações SA and OSX Brasil S.A. He Graduated in Civil Engineering from Universidade Estadual do Rio de Janeiro and an MBA in Financial Management from the Rio de Janeiro Pontifical Catholic University.