Healthline Investors

Healthline's investors include highly respected national and international companies, representing a vast array of healthcare market knowledge and enterprise software expertise.

VantagePoint Venture Partners

VantagePoint Venture Partners is among the most active and successful venture firms in the world with more than $2.8 billion of capital under management. The Firm invests exclusively in technology driven companies and is organized around deep expertise and resources in five principal areas of interest: Semiconductors, Internet and Software, Communications and Systems, Healthcare, and CleanTech. VantagePoint is a multi-stage investor, investing in high-growth businesses at all stages of development. The Firm believes in applying an active, hands-on and team oriented approach to businesses not only at the traditional early stage, but throughout a company's progression to scale. The Firm supports each of its portfolio companies with the resources of a dedicated team of VantagePoint professionals able to contribute a blend of company building, technology, operations, marketing, and corporate finance expertise. For more information: www.vpvp.com.

Reed Elsevier Ventures

Reed Elsevier Ventures is the venture arm of Reed Elsevier Group plc and was established in 2000. The Venture team is responsible for making investments in innovative companies that have the potential to provide the Group with new technologies, products, services or customers. Reed Elsevier's trusted brands, customer reach and ever increasing digital delivery make the Group an ideal commercial partner for emerging best-of-breed companies seeking market acceleration and a strong relationship with a leading global publisher. The team is comprised of experienced investors in the US and European venture capital markets.

Reed Elsevier Group Plc is a world leading publisher and information provider. It is owned equally by its two parent companies, Reed Elsevier PLC and Reed Elsevier NV. The parent companies are listed on the London , Amsterdam and New York Stock Exchanges, under the following ticker symbols: London : REL; Amsterdam : REN; New York : RUK and ENL.

Mitsui and Co. Ltd.

Mitsui and Co., Ltd. (TSE: 8031) (NASDAQ: MITSY) is one of the largest trading houses in the world and is active in a wide range of trading activities, along with the development of energy sources and other natural resources for various industries. These include export, import, domestic and offshore transactions in such industrial materials as steel, non-ferrous metals and chemicals as well as in machinery, electronic and industrial products and lifestyle-related products, including foodstuffs, textiles and general merchandise. Mitsui is also involved in various businesses related to the aforementioned activities, as well as telecommunications and IT, service businesses and regional development.

U.S. News & World Report

Founded in 1933, the weekly national news magazine U.S.News & World Report is devoted to reporting and to analyzing national and international affairs, politics, business, health, science, technology and social trends. Through its annual editions of America's Best Colleges, Best Graduate Schools, America's Best Hospitals, America’s Best Health Plans and America’s Best Leaders, as well as its News You Can Use® brand, U.S. News has earned a reputation as the leading provider of service news and information that improves the quality of life of its readers. The U.S. News website (www.usnews.com) extends that brand promise and delivers the best, most accurate information online, organized in an easily accessible way.

Kaiser Permanente Ventures

Kaiser Permanente Ventures, the corporate venture capital arm of Kaiser Permanente, makes investments in medical devices, healthcare services and information technology companies. Kaiser Permanente Ventures is dedicated to partnering with entrepreneurial companies to build innovative and enduring businesses that advance the quality and affordability of health care. Since its inception in 1997, Kaiser Permanente Ventures has invested in more than 25 venture-capital backed companies at all stages of development, and contributed organizational expertise, time and resources to the success of these companies. For additional information please visit www.kpventures.com.

Peacock Equity

Peacock Equity (www.PeacockEquity.com) is a $250 million equity capital fund founded by GE Commercial Finance’s Media, Communications & Entertainment business (www.geMCE.com) and NBC Universal (www.nbcuniversal.com). Introduced in April 2007, the joint venture focuses on companies developing technologies, platforms or business models that are a strategic fit for NBC Universal and have high growth potential. Peacock Equity’s capital investments, which include advertising services, digital content and communities, wireless, health and international platforms, range from $3 to $15 million each.

Aetna Ventures, LLC

Aetna Ventures, the corporate venture capital arm of Aetna, makes targeted equity investments in companies engaged in developing innovative health care products and technologies. Aetna Ventures seeks to invest in and partner with entrepreneurial companies that share Aetna’s goals of advancing affordability and simplicity in health care and enhancing the quality of care. Investments are generally targeted toward companies that focus on health care services, health care IT and medical devices.

JHK Investments

JHK Investments, LLC is an investment partnership founded by the former senior management of the United States Surgical Corporation: Leon C. Hirsch, USSC's former chairman, CEO and founder; Turi Josefsen, former president of international operations and executive vice president of USSC and Robert A. Knarr, former president of North American operations and executive vice president of USSC. Collectively, the partners have close to 100 years of experience in marketing medical and other products worldwide, and built and managed a $1.5 billion medical device business.