Professor, Constitutional Law, Catholic University Law School of São Paulo. Public Attorney at the District Attorney Office in São Paulo. Federal Judge at the Regional Federal Court of Appeals in São Paulo, 1989-1995. Member of the Advisory Board of São Paulo Lawyers Association, 1983-1989. President of the Brazilian Federal Judge's Association, 1993-1994. Director of Brazilian Constitutional Law Institute. Director of Federal Judges School, 1994-1995. Author: "Due Process of Law under the Constitution" and over 50 studies published in law reviews and daily newspapers.