Castro, a writer living in Massachusetts, has become known in the last few years for her work promoting Catalonia and talking about its linguistic, cultural, and political situation through her publishing house, Catalonia Press, as well as the internet, where she reports on Catalan news in English. In 2014 she received one of the Batista i Roca Award - Enric Garriga Trullols Memorial, granted by the Institut de Projecció Exterior de la Cultura Catalana.