Peter Gjellerup Koch - is a video game writer. Peter Gjellerup Koch began his career in 2000 and has worked for companies such as IO Interactive, Square Enix and Eidos Interactive. Peter Gjellerup Koch's first game was Hitman: Codename 47 which was released 20 years ago. Best Game Peter Gjellerup Koch contributed to was Hitman: Codename 47. Peter Gjellerup Koch's latest work is Hitman: Codename 47 which was released 20 years ago.