Giovanna was the babysitter of the raised daughter of colonel and senator Bento Augusto de Almeida Bicudo, Theophilo's godfather.
With the support of Colonel Bicudo, Theophilo became an employee of the Correios and Telégrafos, and later rose in the institution until he reached the position of director of a São Paulo branch.
Her study defends the thesis that the criterion of appearance based on whitening would constitute the main determinant of the opportunities for social ascension for Blacks in Brazil.
[2] She was a participant of the UNESCO Project in Brazil, coordinated by Roger Bastide and Florestan Fernandes, writing the report "Attitudes of the students of the school groups in relation to the color of their colleagues", published in 1953, in the periodical Anhembi.
[8][9] She wrote columns in the press defending her ideas on the social function of the psychoanalyst and took part in the foundation of the Psychoanalysis Society of Brasilia.