Ben Horowitz is an businessman, investor, blogger, and author. He is a high technology entrepreneur and co-founder and general partner along with Marc Andreessen of the venture capital firm Andreessen Horowitz. He co-founded and served as president and chief executive officer of the enterprise software company Opsware, which Hewlett-Packard acquired for $1.6 billion in cash in July 2007. Horowitz is the author of The Hard Thing About Hard Things: Building a Business When There Are No Easy Answers. In the book, published on March 4, 2014 by HarperCollins, Horowitz offers advice on building and running a startup.