Bruce Daniels is an American computer programmer and business executive has worked for Hewlett Packard, Apple Computer, Oracle, Borland, Sun Microsystems and his own start-up Singular Software, which created Mac database management software. He is known for having been the lead programmer on the operating system for the Apple Macintosh, and for being one of the original programmers of LISA, when he was still a student at the Massachusetts Institute of Technology. He also programmed the Apple II port of Zork.