Bia Fonseca Corrêa do Lago was a practising psychoanalyst for fifteen years from 1979 to 1994. She has since been involved in research on Brazilian art and nineteenth-century photography, and has published four books related to these subjects. Since 1994 she has worked with her husband, Pedro Corrêa do Lago, on the project for a new catalogue raisonné of Frans Post. In 2003 she was the curator of the exhibition " Frans Post and Dutch Brazil " held at the Instituto Ricardo Brennand in Recife.
Since 2001 she hosts a weekly television programme on the Brazilian channel " Futura ", in which she conducts interviews with writers. Pedro Corrêa do Lago is the author of twelve books, mostly on Brazilian art and history, which have been translated into five languages. An antiquarian bookseller and publisher, and a keen collector of manuscripts and rare books, since 1986 do Lago has been Sotheby's representative in Sao Paulo.
A curator of numerous art and photography exhibitions in Brazil and abroad, he organized " L'Empire brésilien et ses photographes " at the Musée d'Orsay in Paris and " Frans Post, le Brésil à la cour de Louis XIV " at the Musée du Louvre, both held in 2005. For three years, between 2003 and 2005, he was President of the National Library of Brazil.