After taking a degree in Hispanic Philology at the University of Santiago de Compostela and attending a post-graduate course on Communication at A Coruña University, he began to work as a journalist in El Progreso, La Voz de Galicia, Atlántico Diario (he was the editor-in-chief of this newspaper) and on Galician TV. He was also head of press in the ‘Consellería de Obras Públicas’, responsible for Communication in Turgalicia and correspondent for Galicia in the magazine ‘Cambio 16’, among other journalistic activities (scriptwriter for TV and editor of the magazine ‘Beiramiño’). Nowadays, he usually writes columns for several newspapers (El Progreso, El Ideal Gallego and Galicia Hoxe, among others). He is also an advisor on communication.
He wrote the following books: ‘Territorio Auroral’ (Consorcio de Santiago, 1997. It is a story about Santiago de Compostela in the 20th century, narrated by 36 characters that lived the most important events in the city); ‘Teoría de Lugo’ (A Nosa Terra, 2004. It is an intimist and sentimental chronicle of the walled city and a guide about the most pleasant places according to the author) and ‘Galicia en cen prodixios’ (Xerais, 2004. It is a secret guide of Galicia, in which he presents the singularities and proud that make of this country a unique land). Besides, he is a joint author of the collective book ‘De profesión, periodista’ (Ir Indo, 2001). In this book, thirty journalists pay a homage to Diego Bernal.
He directs ‘Alvarellos Editora’, a firm specialized in facsimile editions of the 18th and 19th centuries, which was founded in 1977 by his father, Enrique Alvarellos Iglesias. Henrique and Cecilia Alvarellos Casas are now responsible for this firm.