Born in Dublin, Seán Shanahan was educated in London and Madrid. He has lived and worked in Montevecchia, Northern Italy since the late 1980s.
Shanahan has exhibited widely throughout Europe and has had numer- ous solo shows, especially in Italy, the Netherlands and Germany. In recent years, these have included major solo exhibitions at Dublin City Gallery The Hugh Lane; Fondazione Scarampi, Italy and the Sleer Gallery Edinburgh. He has participated in group shows at Galerie du Jour, Agnes B in Paris; Karl Ernst Osthaus Museum, Germany, and the Irish Museum of Modern Art, amongst others.
His work is featured in the collections of the Dublin City Gallery The Hugh Lane; the Irish Museum of Modern Art and in many other collections both private and public throughout Europe.