Youth General Secretary of JSE Bilbao (1999-2002)
Ministry of Education, Administration and Finance of the National Executive of JSE-Egaz Ramon Rubial (2002-2005)
Councillor Budget, Economy and Finance in the Bilbao City Council (2004-2009)
Secretary of Women's Rights and Equality of the Board of the Socialist Party in Euskadi- PSE-EE (2004-2009)
Member of the European Parliament (since 2009): Socialist Coordinator of Committee on Budgets (since 2014); EP Rapporteur on EU Budget in 2015; President of the Youth Intergroup; Substitute Member of Committee on Culture; Vicepresident of Committee on Budgets: she has been the author on "Innovative Financial Instruments" report and socialist shadow on the Budget 2013; Member of Committee on Transport and Tourism (2009-2014).