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 $1.5 billion under management and bicoastal offices, Sigma invests in innovative technology startups across the United States. Some of the market leading companies Sigma has invested in include Atria, Cascade, Clarify, Internet Security Systems, KLA-Tencor, Octel, VeriFone, Vermeer, and Vignette.

Spark Capital is a venture fund based in Boston, Massachusetts. Our investment focus is on the conflux of the media, entertainment and technology industries. Over the last decade, telecom, wireless, and cable operators have spent enormous amounts of capital building up their broadband infrastructure. The next decade will be spent monetizing this infrastructure. We will exploit this opportunity by investing in companies that we believe will benefit from the rapid transformation of media and content driven by innovative technologies and evolving business models.

Applied Ventures, LLC is the venture capital arm of Applied Materials, (Nasdaq: AMAT), the world's largest supplier of products and services to the global semiconductor industry and one of the leading information infrastructure providers.

Concept Ventures invests in early stage companies in the Information and Media Technology sectors. We believe that a successful new enterprise must offer a solid management team, a clearly differentiated value proposition in a growing market segment, disruptive technology, and a sustainable business model.