Benjamin Abraham Horowitz (born June 13, 1966) is an American businessman, investor, blogger, and author.
He is a technology entrepreneur and co-founder along with Marc Andreessen of the venture capital firm Andreessen Horowitz.
He previously co-founded and served as president and chief executive officer of the enterprise software company Opsware, which Hewlett-Packard acquired in 2007.
Horowitz is the author of The Hard Thing About Hard Things: Building a Business When There Are No Easy Answers, a book about startups.