Veteran venture capitalist Marc Andreessen's home is on the market for over $33 million. : Marc Andreessen, the founder of the storied venture capital firm Andreessen Horowitz, and his wife Laura Arrillaga-Andreessen, are selling their more than 12,000-square-foot home in Atherton, California, for $33,375,000. It's unclear where they're headed next. The Andreessen family declined a request for comment from Business Insider. But over the past several years, they've accumulated more than $250 million in property in Malibu, California, according to The Wall Street Journal.