The themes of his paintings or drawings depict situations in life, experiences, fantasy worlds, imaginary revolutions and ideas about society, and humanity. He studied in a young age, for 6 years in private art schools in Greece, where he comes from, and now he continues his studies in Strykejernet art school in Norway, Oslo. Harris paintings follow the path of expressionism, surrealism, outsider art, in combination with abstract, impressionistic and figurative influences. Some of his favourite artists, who influenced him in the past and now, are Wassilly Kandinsky, Hieronymus Bosch, Max Ernst, Willem de Kooning and Joan Miro. Harris has done four solo and group exhibitions in Greece, and eight in Oslo until now. Beyond painting, Harris likes experimenting with sculturing and wood carving.