Lead Investors

Greylock Partners

Founded in 1965, Greylock Partners is one of the world's leading early-stage venture capital firms. Over the past 40 years, Greylock funded and helped build several hundred successful companies in the United States, Israel, and Europe. The Greylock approach uniquely puts the entrepreneur first, with Greylock working as an 'invited guest' in a highly supportive yet consultative way to help entrepreneurs build market-leading companies. Companies Greylock funded include Ascend Communications, Continental Cable, DoubleClick, Internet Security Systems, Legato, Millennium Pharmaceuticals, Phone.com (now OpenWave), Tellabs, Trilogy, Red Hat, and Sungard. Greylock's offices are located in the Boston area and in Silicon Valley. For more information, visit www.greylock.com.

Madrona Venture Group

Madrona has been investing in early-stage technology companies in the Pacific Northwest since 1995 and has been privileged to play a role in some of the region's most successful technology ventures. The firm invests predominately in seed and Series A rounds across the information technology spectrum including consumer Internet, commercial software and services, digital media and advertising, networking and infrastructure, and wireless. Madrona currently manages over $425 million and was an early investor in companies such as Amazon.com, Isilon Systems, Farecast, iConclude, World Wide Packets and ShareBuilder. To learn more, visit www.madrona.com.

Additional Investors

Shasta Ventures

Shasta Ventures is a venture capital firm focused on helping build technology enabled companies that offer unique products and services to their customers. It’s accomplished partners, drawn from NEA, Battery Ventures and Trinity Ventures have been early investors in numerous successful online consumer services businesses, including: Blue Nile, Baby Center and NextCard. Shasta Ventures is located in Menlo Park, CA and manages over $400 million. www.shastaventures.com.

Ignition Partners

Ignition Partners, headquartered in Bellevue, Wash., is a premier venture capital firm dedicated to helping the best entrepreneurs seize opportunity. From turning their early stage idea into a business, to hiring the right team or providing the right industry and functional insight and connections, Ignition helps companies grow their business strategically, globally, and financially to realize the best ultimate outcome. Ignition invests in emerging and future leaders in communications, internet, software, and services across business and consumer targets. Ignition brings together an unparalleled combination of domain focus, technical expertise, and global operational experience. Ignition's partners are proven business leaders who have built some of the world's most successful businesses of the last two decades, including Microsoft Windows and Office, McCaw Cellular Comunications, AT&T Wireless and Starbucks. For more information on Ignition Partners, visit its website at www.ignitionpartners.com.

Marc Andreessen

Marc Andreessen, software pioneer who co-founded Netscape, acquired in 1999 for $4.2 billion by AOL, which made Andreessen its Chief Technology Officer. Marc then formed Loudcloud, a services-based Web hosting company that IPO’d in 2001. Loudcloud sold its hosting business to EDS and changed its name to Opsware in 2003 (with Andreessen as Chairman), and purchased by Hewlett-Packard in September 2007 for approximately $1.6 billion.

Ben Horowitz

Ben Horowitz is vice president and general manager of Business Technology Optimization for Software at HP. Horowitz was a co-founder and CEO of Opsware Inc. (formerly Loudcloud), which was acquired by HP in 2007. Earlier, he was vice president and general manager of America Online Inc.’s E-commerce Platform division, including Shop@AOL, one of the largest shopping destinations on the Internet. Previously, Horowitz ran several product divisions at Netscape Communications.

Frank Artale

Frank Artale is vice president, business development at Citrix Systems. Frank joined Citrix from XenSource where he was responsible for strategic marketing and business development. Prior to XenSource, Artale was a founder and CEO of Consera Software, a management software company, which was acquired by HP in 2004. Before founding Consera, Artale was vice president of the Windows Solutions Group for VERITAS Software, where he oversaw overall product strategy of the Windows targeted solutions. He also held the position of general manager in the Windows 2000 group at Microsoft Corporation.