Mike O'Brien

Mike O'Brien is a games director and designer. O'Brien has been working with Cyanide Studio, ArenaNet and ArenaNet®. O'Brien's first game was Warcraft II: Tides of Darkness published by Electronic Arts for PC, PlayStation and Classic Macintosh in 1995. After that, Mike O'Brien took part as the designer of Guild Wars. O'Brien also worked on Guild Wars 2 developed by ArenaNet for PC and macOS. Most recently, Mike O'Brien was involved in the development of Call of Cthulhu.