He is the author of Utopias of Otherness: Nationhood and Subjectivity in Portugal and Brazil (University of Minnesota Press, 2003) and co-editor together with Susan C. Quinlan of Lusosex: Gender and Sexuality in the Portuguese-Speaking World (University of Minnesota Press, 2002). He has been a visiting professor at the Universidade Federal Fluminense (Rio de Janeiro) and at Harvard University. He was awarded a Guggenheim Fellowship in 2005-06 in order to finish his new book, After Independence: Globalization, Postcolonialism and the Cultures of Lusophone Africa.