Investors

About Versant Ventures

Versant Ventures is a leading healthcare-focused venture capital firm specializing in early-stage investments in medical devices, biotechnology and pharmaceuticals, healthcare services, and healthcare information technology. The firm, founded in 1999, consists of a seasoned team of eleven managing directors with more than 105 years of venture capital investing experience and more than 145 years of operating experience. Versant Ventures currently manages over $1 billion in committed capital having raised its third fund in November 2005. The firm is currently managing over 70 companies in its portfolio. For additional information, please visit http://www.versantventures.com/.

About Polaris Ventures

Established in 1996, with offices in Waltham and Seattle, Polaris has over $3 billion under management. Polaris Venture Partners have helped build numerous market leading companies, including Accordant Health Services, Advanced Inhalation Research, Akamai Technologies, Allaire, Alnylam Pharmaceuticals, American Superconductor, Aspect Medical Systems, Avici Systems, Centra Software, Classifieds2000, deCODE genetics, Exchange.com, Matrics, Microbia, Momenta Pharmaceuticals, Paradigm Genetics, Powersoft, PSCI, SolidWorks and TransForm Pharmaceuticals. More information about Polaris Venture Partners is available at http://www.polarisventures.com.

About Menlo Ventures

Menlo Ventures provides long-term capital and management support to early-stage and emerging-growth companies from its latest $1.2 billion venture capital fund. The firm is one of Silicon Valley's oldest venture capital partnerships, and has organized and managed ten venture funds since inception in 1976. With over $3.9 billion under management, and a team with over one hundred years of collective experience in technology, marketing, sales and general management, Menlo Ventures has the expertise and resources to support the most ambitious of growing companies. For additional information, please visit http://www.menloventures.com.