Medical Assistant of the Division of Urology, Hospital das Clínicas da Faculdade de  Medicina, Universidade de São Paulo, Brazil, since 1979. Associate Professor of Urology, by the Faculdade de Medicina da Universidade de São Paulo, Brazil, since 1995. Chief of the Pediatric Urology Unit of the Division of Urology, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo since 2003. Chief of the Gender Identity and Transsexualism Unit of the Division of Urology, Hospital das Clínicas, Faculdade de Medicina, Universidade de São Paulo since 2003.