Brian Moriarty is an American video game developer who authored three of the original Infocom interactive fiction titles, Wishbringer (1985), Trinity (1986), and Beyond Zork (1987), as well as Loom (1990) for LucasArts.

Infocom was an American software company based in Cambridge, Massachusetts, that produced numerous works of interactive fiction. They also produced a business application, a relational database called Cornerstone.