Brazil's new president, Luiz Inacio Lula da Silva, will be in Davos as well.
Ms Noronha was a close aide to former Brazilian President Luiz Inacio Lula da Silva.
Brazil's President Luiz Inacio Lula da Silva's reelection chances may be threatened by more scandal.
Brazilian President Luiz Inacio Lula da Silva has indicated he backs the legalisation of civil unions.
"I've never won a gift before, " Brazilian President Luiz Inacio Lula da Silva told reporters.
October's election may install leftist Luiz Inacio Lula da Silva in the presidential palace.
This is not the Lula years, in reference to popular president Luiz Inacio Lula da Silva.
President Luiz Inacio Lula da Silva dismissed claims that his government had failed to maintain the infrastructure.
Mr Lula da Silva, however, recently released a video expressing his support for Mr Capriles' opponent, Nicolas Maduro.
Luiz Inacio Lula da Silva, the party's thrice-unsuccessful presidential candidate, continues to top the opinion polls for 2002.
Disillusionment with limited social progress and free-market reforms swept Luiz Inacio Lula da Silva to power in 2002.
Dilma Rousseff, hand picked by the super popular president Luiz Inacio Lula da Silva, now leads the country.
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The last time Brazil interest rates fell below 10% where under President Luiz Inacio Lula da Silva around 2008.
She served as the chief of staff to Luiz Inacio Lula da Silva.
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Her predecessor, Lula da Silva, 66, is currently having treatment for throat cancer.
Mr Dirceu, an ally of President Luiz Inacio Lula da Silva, known as Lula, quit as his chief-of-staff in June.
For the first time, prosecutors in Brazil will investigate allegations of corruption against former President Luiz Inacio Lula da Silva.
Fernando Lugo of Paraguay, Dilma Rousseff of Brazil and her predecessor Luiz Inacio Lula da Silva have also had cancer.
The region's largest country, Brazil, is in the hands of a long-time Castro ally, Luiz Inacio Lula da Silva .
It now seems that Lula Da Silva after years of remarkable pragmatism and centrism is returning to the days of radicalism.
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The country formerly run by the charismatic Lula Da Silva generally enjoyed healthy trade surpluses in its bilateral exchange with Argentina.
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Against, too, until recently were Luiz Inacio Lula da Silva, who leads the polls for the election, and his left-wing Workers' Party.
He then moves on to the appealing Lula da Silva, in Brazil, Cristina Kirchner, in Argentina, Rafael Correa, in Ecuador, and others.
Former president Luiz Inacio Lula da Silva could not make the luncheon.
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He stated that he supports a reformist and not revolutionary policy following the model of Brazilian President, Luis Inazio Lula Da Silva.
Leaders saying they will attend include UK Prime Minister Gordon Brown, French President Nicolas Sarkozy and Brazilian President Luis Inacio Lula da Silva.
Brazil's President Lula da Silva avoids direct confrontation with Chavez but in regional disputes always sides with the Chavista countries, as does Argentina.
Mr Capriles has described Brazil as model of development, and said he aspired to emulate former Brazilian President Luiz Inacio Lula da Silva.
He says his political inspiration is former Brazilian President Luiz Inacio Lula da Silva, who courted businesses and investors while also developing social programmes.
For his part, former president Luiz Inacio Lula da Silva personally met with tribes in Para to discuss Belo before it was even greenlighted.
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