He took a degree in Geography and History and attended courses on biblioteconomy and graduate courses at the Spanish Open University (doctor’s degree, 1995-1997), Menéndez Pelayo International University, University of Peruggia and Miskatonic University (Department of Library Sciences). He worked as a librarian at the provincial libraries of A Coruña (1986) and Pontevedra (1987) and at the library of the University of Santiago (1985). Since 1988, he has coordinated the collective catalogue of the Bibliographic Heritage at the Galician Bibliographic Centre (Xunta de Galicia) and has been responsible for the creation and organization of training courses for librarians and documentalists of the Xunta de Galicia (1988-2004) and for the project of software for the data bank of the Documentation and Cultural Research Centre. He directed the collection ‘Estudios, catálogos e manuais’ and ‘Bibliofilia de Galicia’, both of them dedicated to the press and book in Galicia. He is the author of the electronic editions of ‘Bibliofilia de Galicia’ (volumes 1, 2 and 3) and ‘Antonio López Ferreiro’ (complete work). He directed ‘Museo do Libro e a Imprenta’, a project for the Galician Library – Newspaper library and collaborates with ‘Tipobibliografía española’, a project directed by Simón Díaz and with ‘Polígrafos españoles’ (Tavera Foundation). He has give lectures, courses and conferences.
He organized the following exhibitions: ‘Documentos papales de la catedral de Santiago’ (1985), ‘Los reyes y Santiago’ (1986), ‘Santiago y América’ (1993), ‘A xeración do 98 nas Bibliotecas Públicas Provinciais de Galicia’ (1998) and ‘Facies Deitatis: As faces de Deus’ (2000). He collaborated as a scientific advisor for the exhibition of the eight centenary of the Porch of Glory (1988); ‘Rande 1702: arde o mar’ (Vigo, 2002) and others. He is a member of the board of directors of Menéndez Pelayo Society (1999), the Bibliography Spanish Association and the organizing committees of the Conferences on Galician Archives, Libraries and Museums.
He collaborated in the restoration project for ‘El Pasatiempo’ Park in Betanzos (1988), the special plan for the protection and development of the historical city centre of Betanzos (1989) and the Alameda Part in Santiago de Compostela (2005). After his first article, published in El Correo Gallego in 1980, during the last decade he also published: ‘El Pasatiempo: o capricho dun indiano’, ‘A arquitectura americana en Galicia’, ‘Florence Nightingale y la arquitectura de pabellones’, ‘Uxío Carré Aldao: A imprenta e a prensa en Galicia’, ‘As orixes da imprenta en Galicia’, ‘Missale Auriense, 1494’, ‘O incunable de Mondoñedo, 1495’, ‘De re bibliographica galeciana: situación y perspectiva de la Bibliografía en Galicia’, ‘O catálogo colectivo do patrimonio bibliográfico de Galicia: balance dunha década (1987-1997)’, ‘A Catalogación automatizada, ruídos e silencios’, ‘Cadernos dun cazador de bibliosauros: José Villaamil y Castro e a Bibliografía en Galicia no século XIX’, ‘Mare libri brumale navigando’, ‘Manuel Murguía, e o seu Diccionario de escritores gallegos’, ‘Curros Enríquez e a crítica tradicionalista’, ‘Noticia del hallazgo de nuevas hojas de un importante incunable gallego: El misal compostelano de 1495’, ‘Control y censura del libro en Galicia en el siglo XIX’, ‘A Imprenta en Galicia: século XIX’ (2 vol.), ‘Breviario Auriense. O incunable de 1485-90’ and articles for conferences, catalogues and specialized magazines, among others.
There are references to his works in ‘Diccionario de escritores en lingua galega’, Francisco Fernández del Riego, Edicións do Castro (1992); ‘Quién es Quién en la Información y Documentación: España 1988’; ‘Gallegos: Quién es quién en la Galicia del siglo XXI’, Santiago de Compostela, El Correo, (2002); ‘Gran Enciclopedia Galega’, Lugo (2003) and ‘Directorio EXIT: Directorio de expertos en el tratamiento de la Información’.