So he just bought a massive 22,000-square-foot custom home in the affluent
Allen owns properties all over the world. But he may have wanted these digs because his venture investment firm, Vulcan Capital, opened an office in nearby Palo Alto in April, reports the Silicon Valley Business Journal's Nathan Donato-Weinstein.
Atherton is a popular town for tech billionaires of a certain era. Google's Eric Schmidt, HP's Meg Whitman, and Oracle's Mark Hurd have homes there.