Computer scientist Bruce Horn began his career as a teenager at Xerox PARC, where he worked on Smalltalk. He then joined the original Macintosh team at Apple, codeveloping the Finder, the Resource Manager, and other parts of the original Mac OS. More recently, Horn worked on natural language search at Powerset, which was acquired by Microsoft. As an Intel Fellow, he worked in Smart Device Innovation, where his team created the Oakley Radar Pace conversational running and cycling coach.