Prisoner of Redmond

"Four years later, when Microsoft had left New Mexico for offices in a bank building in Bellevue, Washington, and Jack Sams came from IBM looking for an operating system for the secret Project Acorn -- the IBM PC -- Allen was still the guy in charge. Sams mistook Gates for the office assistant. Though both Gates and Ballmer took part in those first talks with IBM, Sams recalled that the authority figure was definitely Paul Allen."