Party affiliation: Spanish Socialist Workers' Party
Member Constituent Parliament, 1977. Member Committee to draft Spanish Constitution, 1978. Member Committee to draft the Autonomy Statute for Catalonia.
City Councilman of Barcelona, 1983. Elected Deputy, Partido Socialista Obrero Español (Spanish Socialist Workers' Party), Cataluña. since 1989. Assistant Professor of Political Law, 1959.
Associate Professor, 1976. Professor of Constitutional Law, 1982. Dean, Faculty of Law, University of Barcelona, since 1985.