Roberto “Tito” Otero (New York, lives and works in Puerto Rico) he traveled specially from San Juan, Puerto Rico to make the video-documental “: “En Concreto, grafica urbana in Buenos Aires”, urban interventions Project realized by the Puerto Rican artist Rafael Trelles (Proyecto´ace artist-in-residence during August 2007). Otero, has a Master on Compare Literature in the University of Puerto Rico , and has worked as producer for many series at the Puerto Rican state television and has been director assistant of Steven Spielberg in Puerto Rico for the movie “Amistad”. Besides, he has been professor, has dictated conferences and has worked in direction and cinema production. Proyecto´ace staff enjoy his presence, sense of humor and professionalism, while his work inspire all of us.