Timothy B. Brown is a writer and game designer, primarily of role-playing games. He has worked at TSR, Game Designers' Workshop, and Challenge magazine. While serving as the director of product development at TSR, Brown oversaw the creation of the company's enduringly popular Ravenloft and Planescape game lines. He also co-created the Advanced Dungeons & Dragons Dark Sun setting with Troy Denning, Mary Kirchoff, and the artist Brom.