Živko I. Marušič (formerly also Ziuko Marušič, Živko Niero Marušič; full name Živko Ira Marušič) was born on 20 September 1945 in Colorno, a small town near Parma in the Italian province Emilia Romagna.
Between 1967 and 1971 he studied at the Accademia di belle Arti in Venice and continued his studies at the Academy of Fine Arts in Ljubljana under Professors Zoran Didek, Gabrijel Stupica, and Janez Bernik, completing his postgraduate program in 1975 with the thesis "A Photograph as a Basis for a Painting." The study trips that were influential for Marušič were the ones to Paris in 1977, Sicily in 1979, Rome in 1983, Madrid and London in 1999, and the years he spent in Venice as a student. He lives in Koper and Croatian Istria.