While based largely in New York, she became a frequent contributor to Brazilian television, print, and radio media on the culture of the United States and events in American politics.
[6] In 2008 Guimarães left Manhattan Connection to work for another GNT journalism program, Saia Justa (Pt).
As a contributor to the newspaper O Estado de S. Paulo, Guimarães regularly produced columns every two weeks.
[8] She also contributes to Mara Luquet (Pt) and Antonio Pedro Tabet's independent news channel, MyNews.
[4] As a culture reporter who left Brazil for the United States in 1985, Guimarães has described her role in terms of exilados voluntários (volunteer exiles), who delivers news about New York to Brazilians but is also able to see Brazilian politics and culture from an unusual vantage point.