Feb 10 (LNGJ) - Petrobras, the Brazilian state energy comkpany, named Maria das Graças Silva Foster as its new Chief Executive to replace Jose Sergio Gabrielli de Azevedo. Maria das Graças Silva Foster has worked at Petrobras for 31 years. She has been Director for Gas and Energy and CEO of Gaspetro - Petrobras Gás S.A since 2007. She has a bachelor's degree in chemical engineering from the Federal Fluminense University, a master's degree in chemical engineering and a graduate degree in nuclear engineering from the Rio de Janeiro Federal University.








