Ben Horowitz — Role / Title: Co-founder and General Partner, Andreessen Horowitz

NoteThe source confirms that Ben Horowitz is a co-founder of Andreessen Horowitz. The firm was launched on July 6, 2009, which falls within the claimed timeframe of 2009-07 (July 2009). The source does not explicitly state his title as 'General Partner' in the excerpted text, but it does confirm his role as co-founder. The Wikipedia article's infobox and main text consistently refer to him as co-founder. While the specific title 'General Partner' is not explicitly mentioned in the provided excerpt, the co-founder status is clearly confirmed for the correct date.