In 2011, he was selected to score HBO's fantasy drama "Game of Thrones". His work on "Game of Thrones" has garnered him several industry awards and recognition including a Primetime Emmy Award for Outstanding Music Composition for a Series in September 2018 for the score "The Dragon and the Wolf". For his work on season 7, he was nominated for the Grammy Award for Best Score Soundtrack for Visual Media. This was his second nomination in this category after being nominated before for "Iron Man" in 2009. In 2011, he worked on the CBS crime drama "Person of Interest".