John Kaefer - is a video game composer. John Kaefer began his career in 2016 and has worked for companies such as Remedy Entertainment, Microsoft Studios and THQ Nordic. John Kaefer's first game was Quantum Break which was released 8 years ago. Best Game John Kaefer contributed to was Quantum Break. John Kaefer's latest work is Quantum Break which was released 8 years ago.