And Then There Were Four: Q&A with Andreessen Horowitz’s Newest GP Scott Weiss

Andreessen Horowitz has raised roughly a billion dollars since opening its doors in June 2009, so it should surprise no one that the firm -- run by Marc Andreessen, Ben Horowitz, and John O’Farrell -- has just brought aboard a fourth GP. More surprising is that the firm’s newest hire, IronPort Systems cofounder Scott Weiss, doesn’t have much experience as a venture capitalist. (Neither did Andreessen and Horowitz or O’Farrell, who was most recently a vice president at Silver Spring Networks.) “The goal is to…build a new culture, a new way of evaluating companies, and a new way to build companies,” says Horowitz. “To do that, it didn’t make sense to bring in people from the old culture...