Istvan Orosz was trained as graphic designer at the University of Arts and Design in Budapest. After graduation in 1975 he began to deal with theatre as a stage designer and animated film. Later when poster came to the center of his interest also made mainly theatre, movie and exhibition posters. Regular participant in international art exhibitions, poster biennials, symposiums and filmfestivals. Film director at the Pannonia Film Studio in Budapest, professor at University of West Hungary in Sopron, co-founder of D.O.P.P. designer society, and Hungarian Poster Association. He was elected to the Alliance Graphique Internationale and the Hungarian Academy of Arts and Letters.