Tammes has previously studied the craft of filmmaking at the Copenhagen Film and Photo School. His graduation film, Jazz, has been featured at several international film festivals, including Be Epic! London International Film Festival 2017, where it won three awards. Tammes has also made a second short film, Rock Stars, as well as music videos for Danish bands. Previously, he has worked as an Art Director in Paris, and has had a role in programming the Copenhagen Short Film Festival.