He works currently as a full time researcher at Inserm (French National Institute of Health and Medical Research) in Paris and teaches in the doctoral program in Psychology at Université Paris 8 (Saint-Denis). He is responsible for the research team : "Sexuality, society, individual". He published several books and papers about representations of sexuality, handicap and AIDS. He is currently working on a book about the medicalisation of sexuality in which he tries to articulate historical, societal, and individual