D.E. Shaw - The D.E. Shaw group is a global investment and technology development firm with more than 1,300 employees; approximately $34 billion in aggregate investment capital as of September 1, 2007; and offices in North America, Europe, and Asia. Since its organization in 1988, the firm has earned an international reputation for financial innovation, technological leadership, and an extraordinarily distinguished staff.

The firm has a significant presence in many of the world's capital markets, investing in a wide range of companies and financial instruments within both the major industrialized nations and a number of emerging markets. Its activities range from the deployment of investment strategies based on either mathematical models or human expertise to the acquisition of existing companies and the financing or development of new ones.

US Renewables Group - US Renewables Group's mission is to develop, acquire and manage the largest and most profitable renewable power and biofuels fleet of assets.

US Renewables Group invests primarily in Biomass, Geothermal, Landfill Methane, and select Solar projects, as well as Ethanol and Biodiesel projects. US Renewables Group's primary focus is on the acquisition of operating assets, and on a selective basis, investment in development projects or expansion opportunities at existing renewable energy facilities.