The BBC has an article on the adoption of open source software in Brazil.
Mr Cerqueira Cesar is a leading light behind the newly-created Global Organisation for Free Software, which has been set up by a broad coalition of Brazilian businesses and NGOs. More details are being released this week at an International Forum on Free Software, in the Brazilian city of Porto Alegre.
The government here has its eye on a UN summit on information technology, to take place in Tunisia in November.
Already, Brazilian diplomats are pushing for a final declaration that would stress the advantages of open-source software.
They have won the backing of India and are now canvassing broader support from the developing world.