Investors

Rive Technology has raised $47 million in venture capital funding from leading investors. Major investors include Charles River Ventures (crv.com), Advanced Technology Ventures (atvcapital.com), The Blackstone Group (blackstone.com), and Nth Power (nthpower.com).

Founded in 1970, Charles River Ventures is one of the nation's oldest and most successful early-stage venture capital firms with approximately $2.1 billion under management. CRV is dedicated to helping exceptional entrepreneurs turn their ideas into the next category leaders in high growth technology and media sectors. Over the past 10 years, CRV funds have been ranked among the industry's top performers. CRV has offices in Boston, MA and Menlo Park, CA.

Founded in 1979, Advanced Technology Ventures (ATV) is a bi-coastal venture capital firm with more than $1.6 billion in capital under management. ATV works closely with entrepreneurial teams in several technology markets, including communications, infrastructure, software and services, consumer technology, biopharmaceuticals, medical devices and cleantech, to build emerging-growth business ventures into market leaders. With more than 29 years of experience, ATV has a proven track record of success in helping to build strong, sustainable business enterprises.

Blackstone (NYSE: BX) is one of the world's leading investment and advisory firms. Blackstone seeks to create positive economic impact and long-term value for its investors, the companies it invests in, the companies it advises and the broader global economy. The firm accomplishes this through the commitment of its extraordinary people and flexible capital. Blackstone's alternative asset management businesses include the management of private equity funds, real estate funds, funds of hedge funds, credit-oriented funds and closed-end mutual funds. The Blackstone Group also provides various financial advisory services, including financial and strategic advisory, restructuring and reorganization advisory and fund placement services. Further information is available at www.blackstone.com.

Nth Power is a venture capital firm based in San Francisco and is the first and most experienced venture capital firm funding promising startup companies in the growing sector of energy technology, materials and related businesses. With $420 million under management in four funds and an investment record that began in 1997, Nth Power is widely known and well regarded as the driving force behind many of the most successful energy technology companies.