Graduate in Production Engineering and Economics, with a Master's in Energy Planning and Doctorate in Economics, France. Former Executive Secretary, Ministry of Mines and Energy of Brazil; coordinated the work team that elaborated a new electricity sector for the nation. President, EPE - Empresa de Pesquisa Energética (Energy Research Office). Professor, Federal University of Rio de Janeiro. Coordinated the Technical Committee at the Brazilian Science Academy. Former President, Brazilian Society for Energy Planning. Has served as Counsellor, Furnas Electricity and Itaipu Binacional companies. Author of 20 books and dozens of articles published in national and international newspapers.