He is the author of a Ph.D thesis on James Baldwin presented at the Sorbonne (Paris IV University), in 2001, and has published several essays on this writer. His fields of interest are African-American Literature and Gay and Lesbian Studies. He has recently written several entries (among them those of “Identity” and “Psychoanalysis”) for the first French Encyclopedic Dictionary on Gay and Lesbian Cultures (published by Larousse in 2003).