After working as an assistant for Klaus Badelt, Djawadi branched out as a film composer in his own right, collaborating with RZA for the Blade: Trinity soundtrack for director David S. Goyer, with whom he has collaborated many times. Djawadi is best known for his Grammy-nominated score for the 2008 Marvel film Iron Man and his much-awarded score for HBO's popular television series Game of Thrones, as well as his works on movies such as Pacific Rim and Warcraft, and television series' Prison Break and Person of Interest.