Geoffrey's writing has appeared in Polaris, Gothik, Hika, {fray} and The Comics Journal's Guttergeek; he has served on the editorial boards of Eludamos, the Journal for Computer Game Culture and the Journal for Transformative Works and Cultures; and he is a frequent speaker at such conferences as SIGGRAPH, SCMS, the Game Developers Conference, Pictoplasma and FuturePlay.