Investors

Matrix Partners is a venture capital firm focused on early stage investments in the communications, consumer Internet, mobile, semiconductor and software sectors. The firm emphasizes long-term relationships with world-class entrepreneurs. Founded in 1977, Matrix Partners has achieved record-setting returns. It was a founding investor in Cascade Communications, Sonus Networks, Sycamore Networks, Starent Networks, Aruba Networks, Netezza and numerous other successful technology companies. The firm manages over $2.5 billion in assets from its offices in Boston, Silicon Valley, China and India.

Spark Capital is a venture fund focused on the conflux of the media, entertainment and technology industries. The firm invests in world-class teams pursuing large market opportunities with revolutionary products and services. Spark is comprised of former executives of major entertainment, media and technology companies such as Sony, Time Warner, Blockbuster, Lion's Gate, Apple and Microsoft. The firm's Partners have led Emmy-award winning teams, produced critically acclaimed films and television shows and launched revolutionary consumer electronics products. Prior investments led by Spark Partners include Akamai Technologies, CSTV, K12, Qtera, Aether System, Broadbus, thePlatform, Redstone and Novatel Wireless.

Comcast Interactive Capital (CIC) is a venture capital fund focused on broadband, interactive and enterprise businesses. CIC is affiliated with Comcast Corporation, a diversified global leader in cable, broadband services, communications, media, and entertainment. With over $500 million under management, CIC's primary goal is to generate superior financial returns from venture capital investments in early and growth-stage technology, consumer and services businesses. To achieve this goal, CIC works to enable the success of its portfolio companies by applying the unique resources, contacts, experience, and insight of both CIC and the Comcast family of companies.

North Bridge Venture Partners is an active, bi-coastal, early stage venture capital firm based in the Boston, Massachusetts and San Mateo, California areas. For North Bridge Venture Partners, success is derived through a partnership with entrepreneurs that produces industry-leading companies in large emerging markets. Historically, the firm's partners have played a significant role in organizing, starting and building successful companies. Working in concert with entrepreneurs, North Bridge Venture Partners adds value by providing strategic guidance, sharing operating experience, industry specific knowledge, team-building skills and an in-depth understanding of both private and public financings.

Accel Partners invests globally using dedicated teams and market-specific strategies for local geographies, with offices in Palo Alto, California; London, UK; and Bangalore, India; as well as in China via the IDG-Accel Partnership. With over $6 billion under management, Accel has helped entrepreneurs build over 300 successful category-defining companies including: Actuate, Alfresco, AMCC, ArrowPoint, Baidu, BBN, Brightcove, ComScore, Etsy, Facebook, Focus Media, Foundry Networks, Gameforge, GlamMedia, Imperva, Infinera, Interwoven, JBoss, Kayak, Macromedia, metroPCS, Mu Sigma, Polycom/PictureTel, Portal Software, QlikTech, Rapt, Real Networks, Redback Networks, Riverbed, Sohu.com, UUNet, Veritas, Walmart.com, Webroot, XenSource and Zebra.

Sigma Partners is a leading early-stage venture capital firm founded in 1984. 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. Some of the market leading companies in which Sigma has invested include Atria, Cascade, Clarify, EqualLogic, Internet Security Systems, KLA-Tencor, Octel, VeriFone, Vermeer, and Vignette.

ARRIS is a global communications technology company specializing in the design and engineering of broadband networks. The company is a leading developer, manufacturer and supplier of cable telephony, video and high-speed data equipment, as well as outside plant construction and maintenance equipment for cable system operators.