Marko Zivanovic is an Audio Director, Music Producer and Recording Engineer. He has been solely responsible and working in all things audio for Hellion. He also produced, engineered and arranged all the music for Hellion’s trailers and in-game music.  After graduating as an Audio Engineer with a Bachelor of Arts degree at SAE Belgrade, he opened his first music studio called Attic Studio. It became known for the "Attic Sessions" YouTube series, in which local Serbian bands and musicians recorded live music sessions. Today he is the owner of Devotion Studios.