Brad Muir - is a video game director. Brad Muir began his career in 2005 and has worked for companies such as Double Fine Productions, Microsoft Studios, THQ Nordic, Xbox Game Studios, Valve Software, Mesmerizers and Valve. Brad Muir's first game was Psychonauts which was released 19 years ago. Best Game Brad Muir contributed to was Psychonauts. Brad Muir's latest work is Artifact which was released 5 years ago.