Javier Abarca (Madrid 1973) is an artist, researcher and educator in the fields of graffiti and street art. A leading figure from the first generation of Spanish graffiti, he taught a class on graffiti and street art at the Complutense University of Madrid between 2006 and 2015. He is founder and director of the Unlock Book Fair, and co-directed the Tag Conference. He founded the website Urbanario in 2008. His teaching, curating and writing have been commissioned by museums and institutions in Spain and across Europe.