From 2004 until 2008 he held the office of Secretary of Union Action and Sectoral Policies of the Union Confederation of the CCOO, and he was a member of the Confederal Council and the Confederal Executive Commission of the union.
Desde 2004 a 2008 desempeñou o cargo de Secretario de Acción Sindical e Políticas Sectoriais da Confederación Sindical de CCOO, e é membro do Consello Confederal e da Comisión Executiva Confederal do sindicato.