That Bill Gates, the owner of Microsoft, is very rich, an indisputable fact, that he has a lifestyle that lives up to his heritage, which is equally indisputable. Therefore, the idea that it also has one or more residences (the term that in good society is used to define the houses of us ordinary mortals) lives up to its bank accounts.
In fact, like this: the good William H. Gates with beautiful houses, especially his residence on Lake Washington, which was built by the architecture firm Bohlin Cywinski Jackson (BCJ) during the eighties, when he was still drawing mainly by hand . The large-scale use of CAD programs, in fact, relatively later.
But there were some precursors, especially among the great professional firms. Like BCJ, for example. Who used (and still uses) the Mac. Bill's house was designed in part like this … If you want to have a look at it, start here and click on Gates Residential Compound.
A little below, among other things, there is also a Corporate Headquarters belonging to the same founder of Apple: it is the headquarters of Pixar. It is worth taking a look also at that, obviously designed also in this case with Mac .