About Mike O'Brien
Mike O'Brien was an engineer, video game designer and arenaNet.
Mike O'Brien is an American programmer and video game developer who was the co-founder and former president of ArenaNet, the studio that developed the Guild Wars franchise of MMORPG video games. He was named one of the most influential people in the video game industry in a 1999 PC Gamer cover story titled "Game Gods".
Career Before working in the video game industry, O'Brien programmed railroad traffic control software. and Battle.net.
In early October 2019, through the official Guild Wars 2 news page, O'Brien announced his departure from ArenaNet and his intention to start a new development studio. He is currently working as a programmer at the studio "ManaWorks".
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Important facts
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Frequently asked questions
Who was Mike O'Brien?
video game programmer
What was Mike O'Brien's occupation?
Mike O'Brien was an engineer, video game designer and arenaNet.
Sources & further reading
· DBpedia: Mike O'Brien (game developer)
Cite this page
APA: Biography.guide. (2026). Mike O'Brien. https://biography.guide/mike-o-brien-engineer/
MLA: "Mike O'Brien." Biography.guide, https://biography.guide/mike-o-brien-engineer/.
Chicago: "Mike O'Brien." Biography.guide. https://biography.guide/mike-o-brien-engineer/.
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