Apparently, Mike O'Brien departed Arenanet because he was tasked with setting up Guild Wars 3 but the project never got the green light from NCSoft. Do we have any other sources on
ArenaNet co-founder (the creators of GuildWars) is leaving the studio | Alienware Arena
Mike O'Brien vs Pete Parsons | Comparably
An ArenaNet retrospective: "We're not a video game company, we're a community building company" | Engadget
ArenaNet, Inc. (Company) - Giant Bomb
ArenaNet - Iconic co-founder Mike O'Brien departing Guild Wars studio - MMO Culture
ArenaNet president Mike O'Brien heading to Reddit for AMA | Engadget
ArenaNet co-founder leaves to start new studio | GamesIndustry.biz
Guild Wars 2 Art Director Daniel Dociu is leaving ArenaNet | Massively Overpowered
ArenaNet on Twitter: "I'm Mike O'Brien, here with GW2 dev team. AMA! https://t.co/NBWDkbwIL9 ^RB https://t.co/z49RWL9SgM" / Twitter
Mike O'Brien, Gaile Gray, and Company | ArenaNet | Flickr
Guild Wars 2 interview: the boss O'Brien on launch, growing pains, reviews and patches | Eurogamer.net
Mike O'Brien - Guild Wars 2 Wiki (GW2W)
GC '10: Did ArenaNet Walk the Walk? | MMORPG.com
Guild Wars 2: The Inside Stories | Eurogamer.net
Colin Johanson Is Leaving ArenaNet, Mike O'Brien Is New Game Director
PAX South ArenaNet Interview 2015 | Reyana vs. Colin Johanson & Mike O'Brien (WvW = PvE) - YouTube
Guild Wars 2's Colin Johanson leaves ArenaNet; Mike O'Brien takes over as game director | Massively Overpowered
Chinese interview with ArenaNet Founder Mike O'Brien : r/Guildwars2
ArenaNet Co-Founder & President Mike O'Brien Leaves To Form A New Studio With Friends - MMOs.com
Mike O'Brien is leaving ArenaNet and Guild Wars 2 to form a new studio | Massively Overpowered
ArenaNet - Iconic co-founder Mike O'Brien departing Guild Wars studio - MMO Culture
The DeanBeat: ArenaNet's disaster sends shock waves into gaming | VentureBeat
Ten Ton Hammer | Guild Wars 2: Colin Johanson Leaves ArenaNet
