Founded in 1984, Sigma Partners is a leading early-stage venture capital firm. The Sigma team uses their deep operational experience to provide entrepreneurs with practical strategic counsel through every phase of company growth. With over $2 billion under management and bicoastal offices, Sigma invests in innovative technology startups across the United States. The team is currently investing Sigma Fund 8, a $500 million fund raised in 2007. Some of the market leading companies in which Sigma has invested include Atria, Cascade, Clarify, EqualLogic, Internet Security Systems, KLA-Tencor, m-Qube, Octel, Topio, VeriFone, Vermeer, Vignette and Virtusa. For more information, please visit Sigma Partners website.