Calvo has been part of the Ministry of Foreign Affairs and Cooperation as Assistant Director General of Cooperation and Cultural Promotion of the Spanish Agency for International Cooperation between 2004 and 2006, when PSIB candidate is designated to the City Council of Palma de Mallorca.
Formou parte do Ministerio de Asuntos Exteriores e de Cooperación como Subdirectora Xeral de Cooperación e Promoción Cultural da Axencia Española de Cooperación Internacional entre 2004 e 2006, cando é designada candidata do PSIB ao Concello de Palma.