Julio Pérez was graduated in Environmental Protection by the University of Ireland in 2004 and in Environmental Sciences by the URJC University in 2005. After several years working as teacher at various secondary schools of Castilla-La Mancha, also at UNED University and several courses about direction and photography direction, decided to specialize with the Master in Documentary and New Formats at URJC University. Since then he has made several documentaries like Christmask, Autorretrato, La levedad y la Jara, YHWH or La sangre, la tierra (selected in the MIFEC).
As director of the documentary Galleries he was the winner of the Best International Documentary Award at the National Student Film Festival FENACIES (Uruguay), winner of the Best Spanish Short Film Award in Montecatini International Short Film Festival (Italy) and selected in several international festivals as the FICVI, VOFF, FCIP, MACS and some more.
Later, has made two short films with his teammate Carles Bover, Road and Lezione di Italian. The last one was selected for the official section of the 2015 European Audiovisual Creation Competition.
He has directed and produced, with Carles Bover, his first feature documentary entitled Gas the Arabs, and the shortfilm Gaza about the situation in Gaza after the Israeli bombing in the summer of 2014.