Mariusz Grabarski - graduate of the Audiovisual Spatial Studio of Prof. Grzegorz Kowalski at the Academy of Fine Arts in Warsaw. As an art amateur, he focuses on its pedagogical dimension, dialogue and cooperation with the people. He is dedicated to the idea of "Open Form" by Oskar Hansen. Favorite media are film and photography. He works professionally with the local community in one of the Warsaw cultural centers. He is also a camera operator and film editor. In every free moment he focus on the carpentry.