Scott Weiss is a partner at [Andreessen Horowitz](http://www.a16z.com). Formerly, he was co-founder and CEO of IronPort Systems, which was acquired by Cisco in 2007. While at Cisco, Weiss was the vice president and general manager of the Security Technology Group. Previously, he was also a managing director and entrepreneur-in-residence at IdeaLab, where he met IronPort co-founder [Scott Banister](http://www.crunchbase.com/person/scott-banister). Prior to IdeaLab, Weiss was employee no. 13 at Hotmail and was responsible for all partnership and revenue generating business development efforts. After Hotmail's acquisition by Microsoft, Weiss led a business development team within the MSN division. Before joining Hotmail, Weiss was a consultant at McKinsey & Company. He also worked at EDS for five years.Weiss holds an MBA from Harvard Business School and a BA from the University of Florida. He blogs at [http://scott.a16z.com](http://scott.a16z.com).