Xavier Marquis - is a video game director. Xavier Marquis began his career in 2015 and has worked for companies such as Ubisoft, Ubisoft Montreal, Sperasoft and Ubisoft Entertainment. Xavier Marquis's first game was Rainbow Six Siege which was released 5 years ago. Best Game Xavier Marquis contributed to was Rainbow Six Siege. Xavier Marquis's latest work is Rainbow Six Siege which was released 5 years ago.