The GM Tim is the professional tabletop role-playing game mastering service of Tim, based in Vancouver, Canada. With more than seven years of experience leading in-person sessions across Canada, the United States, and Europe, Tim also runs games online using virtual tabletops and video conferencing. He guides groups through published modules and custom adventures, adapting stories to players’ interests and choices.

The service covers a range of role-playing games and genres, including Dungeons & Dragons, City of Mist, and Star Trek. Players can book a three-hour, one-shot Full Adventure for groups of up to five, or join a continuing bi-weekly campaign with a party of up to five. The GM Tim also offers game master workshops and shares Timspiration projects intended to help both game masters and players find ideas for their games. Additional site features include a game selection, a tabletop-gaming book club, and articles about role-playing games. The GM Tim aims to create welcoming, engaging sessions that support character exploration, collaborative storytelling, and enjoyable play, whether participants are new to role-playing or experienced gamers.