Graduated in Economics from the Faculdade de Economia, Administração e Contabilidade da Universidade de São Paulo – FEA/USP (School of Economy, Administration and Accounting from University of São Paulo), he obtained a Ph.D. in the same area from Vanderbilt University in Tennessee, USA. He is a professor at Instituto Tecnológico de Aeronáutica – ITA (Technological Institute of Aeronautics) and has lectured at Fundação Getulio Vargas (Getulio Vargas Foundation) and at Universidade de Brasília – UnB (University of Brasília).
He was superintendent of the IPEA Research Institute and advisor to Minister Delfim Netto during the government of President João Figueiredo, being responsible for energy sector investment management. He was also a member of the Government's negotiation team for the IMF. Later, he was an economic advisor to President José Sarney.
In the private sector, he was vice president of the Machline Group Holding (Sharp, SID and Digibanco), superintendent of the Lavra Group, and associate director of Linear Investimentos. Nowadays, he is the president of Rosenberg & Associados, associate director of Rosenberg Partners and, since 1999, has been a member of the Nestlé Administrative Council. He is an economic commentator for various radio programs and newspapers in Brazil, such as Folha de S.Paulo, Rádio Eldorado and Carta Capital magazine.