Unión General de Trabajadores
He is affiliated to the "Unión General de Trabajadores" (Unión General de Trabajadores (UGT, General Workers' Union) of Catalonia since 1976, he has been the General Secretary (1978–1979) of its Local Union of Sant Feliu de Llobregat, Secretary of union policy (1979–1981), General Secretary (1981–1990) of the Baix Llobregat, Secretary of institutional policy of the National Secretariat of the UGT of Catalonia (1990–1997) and Defender of members' rights of the UGT (1997-2001]).