A lot of people talk about how great it is to start a business, but only Ben Horowitz is brutally honest about how hard it is to run one.

Ben Horowitz is the cofounder and general partner of Andreessen Horowitz, a Silicon Valley?based venture capital firm that invests in entrepreneurs building the next generation of leading technology companies. The firm's investments include Airbnb, GitHub, Facebook, Pinterest, and Twitter. Previously he was cofounder and CEO of Opsware, formerly Loudcloud, which was acquired by Hewlett-Packard for $1.6 billion in 2007. Horowitz writes about his experiences and insights from his career as a computer science student, software engineer, cofounder, CEO, and investor in a blog that is read by nearly ten million people. He has also been featured in the Wall Street Journal, the New York Times, the New Yorker, Fortune, the Economist, and Bloomberg Businessweek, among others. Horowitz lives in the San Francisco Bay Area with his wife, Felicia.